2604388456 has 32 divisors (see below), whose sum is σ = 4915733760. Its totient is φ = 1293553152.

The previous prime is 2604388447. The next prime is 2604388469. The reversal of 2604388456 is 6548834062.

2604388456 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, 1003096 + ... + 1005688.

It is an arithmetic number, because the mean of its divisors is an integer number (153616680).

Almost surely, 2^2604388456 is an apocalyptic number.

It is an amenable number.

2604388456 is a deficient number, since it is larger than the sum of its proper divisors (2311345304).

2604388456 is a wasteful number, since it uses less digits than its factorization.

2604388456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The square root of 2604388456 is about 51033.2093445043. The cubic root of 2604388456 is about 1375.8420769836.

The spelling of 2604388456 in words is "two billion, six hundred four million, three hundred eighty-eight thousand, four hundred fifty-six".