2656582144 has 40 divisors (see below), whose sum is σ = 5398002720. Its totient is φ = 1305762816.

The previous prime is 2656582127. The next prime is 2656582151. The reversal of 2656582144 is 4412856562.

It is a self number, because there is not a number n which added to its sum of digits gives 2656582144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13764 + ... + 74179.

It is an arithmetic number, because the mean of its divisors is an integer number (134950068).

Almost surely, 2^2656582144 is an apocalyptic number.

It is an amenable number.

2656582144 is an abundant number, since it is smaller than the sum of its proper divisors (2741420576).

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

2656582144 is an frugal number, since it uses more digits than its factorization.

2656582144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88020 (or 88004 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 2656582144 is about 51542.0424896026. The cubic root of 2656582144 is about 1384.9722861515.

The spelling of 2656582144 in words is "two billion, six hundred fifty-six million, five hundred eighty-two thousand, one hundred forty-four".