2564874608 has 20 divisors (see below), whose sum is σ = 5140805640. Its totient is φ = 1238215104.

The previous prime is 2564874551. The next prime is 2564874629. The reversal of 2564874608 is 8064784652.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2763410 + ... + 2764337.

It is an arithmetic number, because the mean of its divisors is an integer number (257040282).

Almost surely, 2^2564874608 is an apocalyptic number.

It is an amenable number.

2564874608 is an abundant number, since it is smaller than the sum of its proper divisors (2575931032).

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

2564874608 is a wasteful number, since it uses less digits than its factorization.

2564874608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527784 (or 5527778 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The square root of 2564874608 is about 50644.5911030981. The cubic root of 2564874608 is about 1368.8484841517.

The spelling of 2564874608 in words is "two billion, five hundred sixty-four million, eight hundred seventy-four thousand, six hundred eight".