38686804224 has 36 divisors (see below), whose sum is σ = 102963319536. Its totient is φ = 12895601152.

The previous prime is 38686804217. The next prime is 38686804283. The reversal of 38686804224 is 42240868683.

It is a happy number.

It is a super-2 number, since 2×38686804224² (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, 25185954 + ... + 25187489.

Almost surely, 2^38686804224 is an apocalyptic number.

It is an amenable number.

38686804224 is an abundant number, since it is smaller than the sum of its proper divisors (64276515312).

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

38686804224 is an equidigital number, since it uses as much as digits as its factorization.

38686804224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50373462 (or 50373448 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 38686804224 in words is "thirty-eight billion, six hundred eighty-six million, eight hundred four thousand, two hundred twenty-four".