38012979264 has 112 divisors (see below), whose sum is σ = 108449181120. Its totient is φ = 11681556480.

The previous prime is 38012979241. The next prime is 38012979283. The reversal of 38012979264 is 46297921083.

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, 2059999 + ... + 2078369.

It is an arithmetic number, because the mean of its divisors is an integer number (968296260).

Almost surely, 2^38012979264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38012979264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54224590560).

38012979264 is an abundant number, since it is smaller than the sum of its proper divisors (70436201856).

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

38012979264 is a wasteful number, since it uses less digits than its factorization.

38012979264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19228 (or 19218 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 38012979264 in words is "thirty-eight billion, twelve million, nine hundred seventy-nine thousand, two hundred sixty-four".