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440422040440 = 23531165354217
BaseRepresentation
bin1100110100010110011…
…00110000001101111000
31120002210202202210010201
412122023030300031320
524203441020243230
6534154352451544
743551032401264
oct6321314601570
91502722683121
10440422040440
1115a86683a698
1271434549bb4
13326bac7b275
14174608310a4
15b6ca4995ca
hex668b330378

440422040440 has 64 divisors (see below), whose sum is σ = 995676701760. Its totient is φ = 175330206720.

The previous prime is 440422040431. The next prime is 440422040449. The reversal of 440422040440 is 44040224044.

It is an interprime number because it is at equal distance from previous prime (440422040431) and next prime (440422040449).

It is a junction number, because it is equal to n+sod(n) for n = 440422040399 and 440422040408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440422040449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8096212 + ... + 8150428.

It is an arithmetic number, because the mean of its divisors is an integer number (15557448465).

Almost surely, 2440422040440 is an apocalyptic number.

440422040440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440422040440 is an abundant number, since it is smaller than the sum of its proper divisors (555254661320).

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

440422040440 is a wasteful number, since it uses less digits than its factorization.

440422040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55192 (or 55188 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440422040440 its reverse (44040224044), we get a palindrome (484462264484).

The spelling of 440422040440 in words is "four hundred forty billion, four hundred twenty-two million, forty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 311 622 653 1244 1306 1555 2488 2612 3110 3265 5224 6220 6530 12440 13060 26120 54217 108434 203083 216868 271085 406166 433736 542170 812332 1015415 1084340 1624664 2030830 2168680 4061660 8123320 16861487 33722974 35403701 67445948 70807402 84307435 134891896 141614804 168614870 177018505 283229608 337229740 354037010 674459480 708074020 1416148040 11010551011 22021102022 44042204044 55052755055 88084408088 110105510110 220211020220 440422040440