2556629924 has 24 divisors (see below), whose sum is σ = 4519948608. Its totient is φ = 1265277600.

The previous prime is 2556629909. The next prime is 2556629939. The reversal of 2556629924 is 4299266552.

It is an interprime number because it is at equal distance from previous prime (2556629909) and next prime (2556629939).

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

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 7 ways as a sum of consecutive naturals, for example, 163454 + ... + 178410.

It is an arithmetic number, because the mean of its divisors is an integer number (188331192).

Almost surely, 2^2556629924 is an apocalyptic number.

It is an amenable number.

2556629924 is a deficient number, since it is larger than the sum of its proper divisors (1963318684).

2556629924 is a wasteful number, since it uses less digits than its factorization.

2556629924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15395 (or 15393 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The square root of 2556629924 is about 50563.1281073472. The cubic root of 2556629924 is about 1367.3802073921.

The spelling of 2556629924 in words is "two billion, five hundred fifty-six million, six hundred twenty-nine thousand, nine hundred twenty-four".