38933863984 has 20 divisors (see below), whose sum is σ = 79404591640. Its totient is φ = 18442356480.

The previous prime is 38933863973. The next prime is 38933863993. The reversal of 38933863984 is 48936833983.

It is a super-2 number, since 2×38933863984² (a number of 22 digits) contains 22 as substring.

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, 64035657 + ... + 64036264.

It is an arithmetic number, because the mean of its divisors is an integer number (3970229582).

Almost surely, 2^38933863984 is an apocalyptic number.

It is an amenable number.

38933863984 is an abundant number, since it is smaller than the sum of its proper divisors (40470727656).

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

38933863984 is a wasteful number, since it uses less digits than its factorization.

38933863984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128071948 (or 128071942 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 64.

The spelling of 38933863984 in words is "thirty-eight billion, nine hundred thirty-three million, eight hundred sixty-three thousand, nine hundred eighty-four".