2564571056 has 40 divisors (see below), whose sum is σ = 5234040000. Its totient is φ = 1213945920.

The previous prime is 2564571029. The next prime is 2564571077. The reversal of 2564571056 is 6501754652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731195 + ... + 734693.

It is an arithmetic number, because the mean of its divisors is an integer number (130851000).

Almost surely, 2^2564571056 is an apocalyptic number.

It is an amenable number.

2564571056 is an abundant number, since it is smaller than the sum of its proper divisors (2669468944).

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

2564571056 is a wasteful number, since it uses less digits than its factorization.

2564571056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937 (or 5931 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 2564571056 is about 50641.5941297270. The cubic root of 2564571056 is about 1368.7944811104.

The spelling of 2564571056 in words is "two billion, five hundred sixty-four million, five hundred seventy-one thousand, fifty-six".