2656504434120 has 64 divisors (see below), whose sum is σ = 7969689541440. Its totient is φ = 708385516800.

The previous prime is 2656504434109. The next prime is 2656504434139. The reversal of 2656504434120 is 214344056562.

It is a happy 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, 5829750 + ... + 6268890.

It is an arithmetic number, because the mean of its divisors is an integer number (124526399085).

Almost surely, 2^{2656504434120} is an apocalyptic number.

2656504434120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2656504434120 is an abundant number, since it is smaller than the sum of its proper divisors (5313185107320).

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

2656504434120 is a wasteful number, since it uses less digits than its factorization.

2656504434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489566 (or 489562 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 2656504434120 in words is "two trillion, six hundred fifty-six billion, five hundred four million, four hundred thirty-four thousand, one hundred twenty".