38855993824 has 48 divisors (see below), whose sum is σ = 80219779920. Its totient is φ = 18501073920.

The previous prime is 38855993791. The next prime is 38855993863. The reversal of 38855993824 is 42839955883.

It is a super-2 number, since 2×38855993824² (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, 219042 + ... + 354529.

It is an arithmetic number, because the mean of its divisors is an integer number (1671245415).

Almost surely, 2^38855993824 is an apocalyptic number.

It is an amenable number.

38855993824 is an abundant number, since it is smaller than the sum of its proper divisors (41363786096).

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

38855993824 is a wasteful number, since it uses less digits than its factorization.

38855993824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573683 (or 573675 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 64.

The spelling of 38855993824 in words is "thirty-eight billion, eight hundred fifty-five million, nine hundred ninety-three thousand, eight hundred twenty-four".