2556589884 has 24 divisors (see below), whose sum is σ = 6003376848. Its totient is φ = 846768000.

The previous prime is 2556589793. The next prime is 2556589901. The reversal of 2556589884 is 4889856552.

It is a happy number.

2556589884 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2556589884² = 13072303669942266912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676617 + ... + 680384.

It is an arithmetic number, because the mean of its divisors is an integer number (250140702).

Almost surely, 2^2556589884 is an apocalyptic number.

It is an amenable number.

2556589884 is an abundant number, since it is smaller than the sum of its proper divisors (3446786964).

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

2556589884 is a wasteful number, since it uses less digits than its factorization.

2556589884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357165 (or 1357163 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 60.

The square root of 2556589884 is about 50562.7321651036. The cubic root of 2556589884 is about 1367.3730690641.

The spelling of 2556589884 in words is "two billion, five hundred fifty-six million, five hundred eighty-nine thousand, eight hundred eighty-four".