2568881944 has 16 divisors (see below), whose sum is σ = 4982745600. Its totient is φ = 1240149792.

The previous prime is 2568881941. The next prime is 2568881957. The reversal of 2568881944 is 4491888652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568881941) by changing a digit.

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, 5536152 + ... + 5536615.

It is an arithmetic number, because the mean of its divisors is an integer number (311421600).

Almost surely, 2^2568881944 is an apocalyptic number.

It is an amenable number.

2568881944 is a deficient number, since it is larger than the sum of its proper divisors (2413863656).

2568881944 is a wasteful number, since it uses less digits than its factorization.

2568881944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072802 (or 11072798 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 55.

The square root of 2568881944 is about 50684.1389785799. The cubic root of 2568881944 is about 1369.5610052072.

The spelling of 2568881944 in words is "two billion, five hundred sixty-eight million, eight hundred eighty-one thousand, nine hundred forty-four".