2556533936 has 20 divisors (see below), whose sum is σ = 5403583464. Its totient is φ = 1162060800.

The previous prime is 2556533929. The next prime is 2556533963. The reversal of 2556533936 is 6393356552.

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, 7262705 + ... + 7263056.

Almost surely, 2^2556533936 is an apocalyptic number.

It is an amenable number.

2556533936 is an abundant number, since it is smaller than the sum of its proper divisors (2847049528).

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

2556533936 is a wasteful number, since it uses less digits than its factorization.

2556533936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14525780 (or 14525774 counting only the distinct ones).

The product of its digits is 2187000, while the sum is 47.

The square root of 2556533936 is about 50562.1789087456. The cubic root of 2556533936 is about 1367.3630945342.

The spelling of 2556533936 in words is "two billion, five hundred fifty-six million, five hundred thirty-three thousand, nine hundred thirty-six".