464615538 has 16 divisors (see below), whose sum is σ = 959206656. Its totient is φ = 149875920.

The previous prime is 464615527. The next prime is 464615561. The reversal of 464615538 is 835516464.

It is a self number, because there is not a number n which added to its sum of digits gives 464615538.

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, 1248781 + ... + 1249152.

It is an arithmetic number, because the mean of its divisors is an integer number (59950416).

Almost surely, 2^464615538 is an apocalyptic number.

464615538 is an abundant number, since it is smaller than the sum of its proper divisors (494591118).

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

464615538 is a wasteful number, since it uses less digits than its factorization.

464615538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497969.

The product of its digits is 345600, while the sum is 42.

The square root of 464615538 is about 21554.9423102916. The cubic root of 464615538 is about 774.5175147393.

The spelling of 464615538 in words is "four hundred sixty-four million, six hundred fifteen thousand, five hundred thirty-eight".