2564485312 has 28 divisors (see below), whose sum is σ = 5264383680. Its totient is φ = 1238026496.

The previous prime is 2564485291. The next prime is 2564485333. The reversal of 2564485312 is 2135844652.

It is an interprime number because it is at equal distance from previous prime (2564485291) and next prime (2564485333).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689008 + ... + 692719.

Almost surely, 2^2564485312 is an apocalyptic number.

It is an amenable number.

2564485312 is an abundant number, since it is smaller than the sum of its proper divisors (2699898368).

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

2564485312 is a wasteful number, since it uses less digits than its factorization.

2564485312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381768 (or 1381758 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 2564485312 is about 50640.7475458252. The cubic root of 2564485312 is about 1368.7792261588.

The spelling of 2564485312 in words is "two billion, five hundred sixty-four million, four hundred eighty-five thousand, three hundred twelve".