2568295920 has 80 divisors (see below), whose sum is σ = 8307896832. Its totient is φ = 655100160.

The previous prime is 2568295909. The next prime is 2568295937. The reversal of 2568295920 is 295928652.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2568295920² = 13192287865377292800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2568295920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227116 + ... + 238155.

Almost surely, 2^2568295920 is an apocalyptic number.

2568295920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2568295920 is an abundant number, since it is smaller than the sum of its proper divisors (5739600912).

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

2568295920 is a wasteful number, since it uses less digits than its factorization.

2568295920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465310 (or 465304 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 2568295920 is about 50678.3575108744. The cubic root of 2568295920 is about 1369.4568539753.

The spelling of 2568295920 in words is "two billion, five hundred sixty-eight million, two hundred ninety-five thousand, nine hundred twenty".