100565344432 has 80 divisors (see below), whose sum is σ = 240591297600. Its totient is φ = 40564134912.

The previous prime is 100565344423. The next prime is 100565344457. The reversal of 100565344432 is 234443565001.

It is a super-2 number, since 2×100565344432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100565344391 and 100565344400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445663 + ... + 632254.

It is an arithmetic number, because the mean of its divisors is an integer number (3007391220).

Almost surely, 2^100565344432 is an apocalyptic number.

It is an amenable number.

100565344432 is an abundant number, since it is smaller than the sum of its proper divisors (140025953168).

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

100565344432 is a wasteful number, since it uses less digits than its factorization.

100565344432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077963 (or 1077943 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 100565344432 in words is "one hundred billion, five hundred sixty-five million, three hundred forty-four thousand, four hundred thirty-two".