2564008494 has 16 divisors (see below), whose sum is σ = 5304845520. Its totient is φ = 825198080.

The previous prime is 2564008487. The next prime is 2564008519. The reversal of 2564008494 is 4948004652.

2564008494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 7367667 + ... + 7368014.

It is an arithmetic number, because the mean of its divisors is an integer number (331552845).

Almost surely, 2^2564008494 is an apocalyptic number.

2564008494 is an abundant number, since it is smaller than the sum of its proper divisors (2740837026).

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

2564008494 is a wasteful number, since it uses less digits than its factorization.

2564008494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14735715.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 2564008494 is about 50636.0394778265. The cubic root of 2564008494 is about 1368.6943879492.

The spelling of 2564008494 in words is "two billion, five hundred sixty-four million, eight thousand, four hundred ninety-four".