2568938780 has 24 divisors (see below), whose sum is σ = 5395876080. Its totient is φ = 1027365120.

The previous prime is 2568938767. The next prime is 2568938821. The reversal of 2568938780 is 878398652.

2568938780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 119711 + ... + 139529.

It is an arithmetic number, because the mean of its divisors is an integer number (224828170).

Almost surely, 2^2568938780 is an apocalyptic number.

2568938780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2568938780 is an abundant number, since it is smaller than the sum of its proper divisors (2826937300).

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

2568938780 is a wasteful number, since it uses less digits than its factorization.

2568938780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26309 (or 26307 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 2568938780 is about 50684.6996637052. The cubic root of 2568938780 is about 1369.5711055539.

The spelling of 2568938780 in words is "two billion, five hundred sixty-eight million, nine hundred thirty-eight thousand, seven hundred eighty".