38928000500172 has 72 divisors (see below), whose sum is σ = 118377545395200. Its totient is φ = 10536902389728.

The previous prime is 38928000500167. The next prime is 38928000500231. The reversal of 38928000500172 is 27100500082983.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4065158172 + ... + 4065167747.

Almost surely, 2^{38928000500172} is an apocalyptic number.

It is an amenable number.

38928000500172 is an abundant number, since it is smaller than the sum of its proper divisors (79449544895028).

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

38928000500172 is a wasteful number, since it uses less digits than its factorization.

38928000500172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130325955 (or 8130325950 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 38928000500172 in words is "thirty-eight trillion, nine hundred twenty-eight billion, five hundred thousand, one hundred seventy-two".