38538718856 has 64 divisors (see below), whose sum is σ = 86585932800. Its totient is φ = 15874056000.

The previous prime is 38538718843. The next prime is 38538718861. The reversal of 38538718856 is 65881783583.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462620 + ... + 539531.

It is an arithmetic number, because the mean of its divisors is an integer number (1352905200).

Almost surely, 2^38538718856 is an apocalyptic number.

It is an amenable number.

38538718856 is an abundant number, since it is smaller than the sum of its proper divisors (48047213944).

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

38538718856 is a wasteful number, since it uses less digits than its factorization.

38538718856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002210 (or 1002206 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 62.

The spelling of 38538718856 in words is "thirty-eight billion, five hundred thirty-eight million, seven hundred eighteen thousand, eight hundred fifty-six".