2564358064 has 40 divisors (see below), whose sum is σ = 5349903120. Its totient is φ = 1186295808.

The previous prime is 2564358061. The next prime is 2564358073. The reversal of 2564358064 is 4608534652.

It is a self number, because there is not a number n which added to its sum of digits gives 2564358064.

It is not an unprimeable number, because it can be changed into a prime (2564358061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63849 + ... + 95944.

It is an arithmetic number, because the mean of its divisors is an integer number (133747578).

Almost surely, 2^2564358064 is an apocalyptic number.

It is an amenable number.

2564358064 is an abundant number, since it is smaller than the sum of its proper divisors (2785545056).

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

2564358064 is a wasteful number, since it uses less digits than its factorization.

2564358064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159877 (or 159871 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The square root of 2564358064 is about 50639.4911506820. The cubic root of 2564358064 is about 1368.7565864893.

The spelling of 2564358064 in words is "two billion, five hundred sixty-four million, three hundred fifty-eight thousand, sixty-four".