38461575728 has 20 divisors (see below), whose sum is σ = 77088935040. Its totient is φ = 18567657024.

The previous prime is 38461575703. The next prime is 38461575767. The reversal of 38461575728 is 82757516483.

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, 41445200 + ... + 41446127.

It is an arithmetic number, because the mean of its divisors is an integer number (3854446752).

Almost surely, 2^38461575728 is an apocalyptic number.

It is an amenable number.

38461575728 is an abundant number, since it is smaller than the sum of its proper divisors (38627359312).

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

38461575728 is a wasteful number, since it uses less digits than its factorization.

38461575728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82891364 (or 82891358 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 56.

The spelling of 38461575728 in words is "thirty-eight billion, four hundred sixty-one million, five hundred seventy-five thousand, seven hundred twenty-eight".