2656626544 has 40 divisors (see below), whose sum is σ = 6047081712. Its totient is φ = 1114667520.

The previous prime is 2656626521. The next prime is 2656626647. The reversal of 2656626544 is 4456266562.

It is a junction number, because it is equal to n+sod(n) for n = 2656626494 and 2656626503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578269 + ... + 582844.

Almost surely, 2^2656626544 is an apocalyptic number.

It is an amenable number.

2656626544 is an abundant number, since it is smaller than the sum of its proper divisors (3390455168).

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

2656626544 is a wasteful number, since it uses less digits than its factorization.

2656626544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161145 (or 1161139 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 46.

The square root of 2656626544 is about 51542.4732041449. The cubic root of 2656626544 is about 1384.9800018834.

The spelling of 2656626544 in words is "two billion, six hundred fifty-six million, six hundred twenty-six thousand, five hundred forty-four".