38292990464 has 40 divisors (see below), whose sum is σ = 77024841300. Its totient is φ = 19017957376.

The previous prime is 38292990397. The next prime is 38292990479. The reversal of 38292990464 is 46409929283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38196793600 + 96196864 = 195440^2 + 9808^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174689 + ... + 327264.

Almost surely, 2^38292990464 is an apocalyptic number.

It is an amenable number.

38292990464 is an abundant number, since it is smaller than the sum of its proper divisors (38731850836).

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

38292990464 is an equidigital number, since it uses as much as digits as its factorization.

38292990464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502120 (or 502104 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 38292990464 in words is "thirty-eight billion, two hundred ninety-two million, nine hundred ninety thousand, four hundred sixty-four".