2556522634 has 48 divisors (see below), whose sum is σ = 4124937600. Its totient is φ = 1187828928.

The previous prime is 2556522629. The next prime is 2556522641. The reversal of 2556522634 is 4362256552.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6101277 + ... + 6101695.

It is an arithmetic number, because the mean of its divisors is an integer number (85936200).

Almost surely, 2^2556522634 is an apocalyptic number.

2556522634 is a deficient number, since it is larger than the sum of its proper divisors (1568414966).

2556522634 is a wasteful number, since it uses less digits than its factorization.

2556522634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 596 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

The square root of 2556522634 is about 50562.0671452424. The cubic root of 2556522634 is about 1367.3610795716.

The spelling of 2556522634 in words is "two billion, five hundred fifty-six million, five hundred twenty-two thousand, six hundred thirty-four".