38394279584 has 48 divisors (see below), whose sum is σ = 77660526888. Its totient is φ = 18671357952.

The previous prime is 38394279529. The next prime is 38394279587. The reversal of 38394279584 is 48597249383.

It can be written as a sum of positive squares in 4 ways, for example, as 32554263184 + 5840016400 = 180428^2 + 76420^2 .

It is not an unprimeable number, because it can be changed into a prime (38394279587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4799492 + ... + 4807484.

Almost surely, 2^38394279584 is an apocalyptic number.

It is an amenable number.

38394279584 is an abundant number, since it is smaller than the sum of its proper divisors (39266247304).

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

38394279584 is a wasteful number, since it uses less digits than its factorization.

38394279584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12097 (or 12089 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The spelling of 38394279584 in words is "thirty-eight billion, three hundred ninety-four million, two hundred seventy-nine thousand, five hundred eighty-four".