2564923008 has 64 divisors (see below), whose sum is σ = 7213864320. Its totient is φ = 804679680.

The previous prime is 2564923007. The next prime is 2564923073. The reversal of 2564923008 is 8003294652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2564923003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189928 + ... + 202983.

It is an arithmetic number, because the mean of its divisors is an integer number (112716630).

Almost surely, 2^2564923008 is an apocalyptic number.

It is an amenable number.

2564923008 is an abundant number, since it is smaller than the sum of its proper divisors (4648941312).

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

2564923008 is a wasteful number, since it uses less digits than its factorization.

2564923008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392945 (or 392933 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2564923008 is about 50645.0689406185. The cubic root of 2564923008 is about 1368.8570942997.

The spelling of 2564923008 in words is "two billion, five hundred sixty-four million, nine hundred twenty-three thousand, eight".