38965555432 has 32 divisors (see below), whose sum is σ = 80721489600. Its totient is φ = 17539481344.

The previous prime is 38965555399. The next prime is 38965555451. The reversal of 38965555432 is 23455556983.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6225382 + ... + 6231637.

It is an arithmetic number, because the mean of its divisors is an integer number (2522546550).

Almost surely, 2^38965555432 is an apocalyptic number.

It is an amenable number.

38965555432 is an abundant number, since it is smaller than the sum of its proper divisors (41755934168).

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

38965555432 is a wasteful number, since it uses less digits than its factorization.

38965555432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457065 (or 12457061 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 55.

The spelling of 38965555432 in words is "thirty-eight billion, nine hundred sixty-five million, five hundred fifty-five thousand, four hundred thirty-two".