2508655856 has 20 divisors (see below), whose sum is σ = 5554881072. Its totient is φ = 1075138176.

The previous prime is 2508655843. The next prime is 2508655859. The reversal of 2508655856 is 6585568052.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508655859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11199245 + ... + 11199468.

Almost surely, 2^2508655856 is an apocalyptic number.

It is an amenable number.

2508655856 is an abundant number, since it is smaller than the sum of its proper divisors (3046225216).

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

2508655856 is a wasteful number, since it uses less digits than its factorization.

2508655856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22398728 (or 22398722 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 50.

The square root of 2508655856 is about 50086.4837655829. The cubic root of 2508655856 is about 1358.7733778601.

The spelling of 2508655856 in words is "two billion, five hundred eight million, six hundred fifty-five thousand, eight hundred fifty-six".