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444402204444 = 2232114789268283
BaseRepresentation
bin1100111011110000110…
…11110111111100011100
31120111002011011001201100
412131320123313330130
524240113431020234
6540053333313100
744051462261052
oct6357033677434
91514064131640
10444402204444
11161519505830
1272165495790
1332ba37460b3
141771b2a01d2
15b85eb02399
hex67786f7f1c

444402204444 has 144 divisors (see below), whose sum is σ = 1265613672960. Its totient is φ = 130320664320.

The previous prime is 444402204419. The next prime is 444402204469.

444402204444 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 0 + 2 + 204 + 444 = 666.

444402204444 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (444402204419) and next prime (444402204469).

It is a super-4 number, since 4×4444022044444 (a number of 48 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 444402204399 and 444402204408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1522327 + ... + 1790609.

It is an arithmetic number, because the mean of its divisors is an integer number (8788983840).

Almost surely, 2444402204444 is an apocalyptic number.

444402204444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444402204444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632806836480).

444402204444 is an abundant number, since it is smaller than the sum of its proper divisors (821211468516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444402204444 is a wasteful number, since it uses less digits than its factorization.

444402204444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268440 (or 268435 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

It can be divided in two parts, 444402 and 204444, that added together give a palindrome (648846).

The spelling of 444402204444 in words is "four hundred forty-four billion, four hundred two million, two hundred four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 47 66 89 94 99 132 141 178 188 198 267 282 356 396 423 517 534 564 801 846 979 1034 1068 1551 1602 1692 1958 2068 2937 3102 3204 3916 4183 4653 5874 6204 8366 8811 9306 11748 12549 16732 17622 18612 25098 35244 37647 46013 50196 75294 92026 138039 150588 184052 268283 276078 414117 536566 552156 804849 828234 1073132 1609698 1656468 2414547 2951113 3219396 4829094 5902226 8853339 9658188 11804452 12609301 17706678 23877187 25218602 26560017 35413356 37827903 47754374 50437204 53120034 71631561 75655806 95508748 106240068 113483709 138702311 143263122 151311612 214894683 226967418 262649057 277404622 286526244 416106933 429789366 453934836 525298114 554809244 787947171 832213866 859578732 1050596228 1122227789 1248320799 1575894342 1664427732 2244455578 2363841513 2496641598 3151788684 3366683367 4488911156 4727683026 4993283196 6733366734 9455366052 10100050101 12344505679 13466733468 20200100202 24689011358 37033517037 40400200404 49378022716 74067034074 111100551111 148134068148 222201102222 444402204444