2568918438 has 24 divisors (see below), whose sum is σ = 5807990448. Its totient is φ = 819075312.

The previous prime is 2568918409. The next prime is 2568918463. The reversal of 2568918438 is 8348198652.

2568918438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3102145 + ... + 3102972.

It is an arithmetic number, because the mean of its divisors is an integer number (241999602).

Almost surely, 2^2568918438 is an apocalyptic number.

2568918438 is an abundant number, since it is smaller than the sum of its proper divisors (3239072010).

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

2568918438 is a wasteful number, since it uses less digits than its factorization.

2568918438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205148 (or 6205145 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 2568918438 is about 50684.4989913090. The cubic root of 2568918438 is about 1369.5674905867.

The spelling of 2568918438 in words is "two billion, five hundred sixty-eight million, nine hundred eighteen thousand, four hundred thirty-eight".