2638990504 has 32 divisors (see below), whose sum is σ = 4993999200. Its totient is φ = 1307315520.

The previous prime is 2638990489. The next prime is 2638990547. The reversal of 2638990504 is 4050998362.

2638990504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 383139 + ... + 389965.

It is an arithmetic number, because the mean of its divisors is an integer number (156062475).

Almost surely, 2^2638990504 is an apocalyptic number.

It is an amenable number.

2638990504 is a deficient number, since it is larger than the sum of its proper divisors (2355008696).

2638990504 is a wasteful number, since it uses less digits than its factorization.

2638990504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273 (or 7269 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2638990504 is about 51371.1057307510. The cubic root of 2638990504 is about 1381.9084608008.

The spelling of 2638990504 in words is "two billion, six hundred thirty-eight million, nine hundred ninety thousand, five hundred four".