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144400222441404 = 223210737487077477
BaseRepresentation
bin100000110101010011001011…
…111101101100111110111100
3200221021112012210001210202200
4200311103023331230332330
5122411323123421111104
61231040314004551500
742262400060645346
oct4065231375547674
9627245183053680
10144400222441404
1142012877075786
12142418923b2590
136275b61c5b1a7
142793018174296
1511a62ab67db39
hex8354cbf6cfbc

144400222441404 has 36 divisors (see below), whose sum is σ = 368422997453784. Its totient is φ = 47683562549472.

The previous prime is 144400222441373. The next prime is 144400222441487. The reversal of 144400222441404 is 404144222004441.

144400222441404 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 0 + 0 + 2 + 2 + 244 + 1 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1444002224414042 (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18743534887 + ... + 18743542590.

It is an arithmetic number, because the mean of its divisors is an integer number (10233972151494).

Almost surely, 2144400222441404 is an apocalyptic number.

It is an amenable number.

144400222441404 is an abundant number, since it is smaller than the sum of its proper divisors (224022775012380).

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

144400222441404 is a wasteful number, since it uses less digits than its factorization.

144400222441404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37487077594 (or 37487077589 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

Adding to 144400222441404 its reverse (404144222004441), we get a palindrome (548544444445845).

The spelling of 144400222441404 in words is "one hundred forty-four trillion, four hundred billion, two hundred twenty-two million, four hundred forty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 107 214 321 428 642 963 1284 1926 3852 37487077477 74974154954 112461232431 149948309908 224922464862 337383697293 449844929724 674767394586 1349534789172 4011117290039 8022234580078 12033351870117 16044469160156 24066703740234 36100055610351 48133407480468 72200111220702 144400222441404