39250645872 has 40 divisors (see below), whose sum is σ = 103310668944. Its totient is φ = 12836688384.

The previous prime is 39250645853. The next prime is 39250645927. The reversal of 39250645872 is 27854605293.

It is a happy number.

It is a super-2 number, since 2×39250645872² (a number of 22 digits) contains 22 as substring.

It is a congruent 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, 7711813 + ... + 7716900.

Almost surely, 2^39250645872 is an apocalyptic number.

It is an amenable number.

39250645872 is an abundant number, since it is smaller than the sum of its proper divisors (64060023072).

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

39250645872 is a wasteful number, since it uses less digits than its factorization.

39250645872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15428777 (or 15428771 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 39250645872 in words is "thirty-nine billion, two hundred fifty million, six hundred forty-five thousand, eight hundred seventy-two".