38907543936 has 32 divisors (see below), whose sum is σ = 103348164600. Its totient is φ = 12969181184.

The previous prime is 38907543919. The next prime is 38907543971. The reversal of 38907543936 is 63934570983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50660481 + ... + 50661248.

Almost surely, 2^38907543936 is an apocalyptic number.

It is an amenable number.

38907543936 is an abundant number, since it is smaller than the sum of its proper divisors (64440620664).

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

38907543936 is a wasteful number, since it uses less digits than its factorization.

38907543936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101321746 (or 101321734 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 38907543936 in words is "thirty-eight billion, nine hundred seven million, five hundred forty-three thousand, nine hundred thirty-six".