2656424215788 has 96 divisors (see below), whose sum is σ = 7094396757504. Its totient is φ = 757843458048.

The previous prime is 2656424215763. The next prime is 2656424215799. The reversal of 2656424215788 is 8875124246562.

It is a super-2 number, since 2×2656424215788² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256976956 + ... + 256987292.

It is an arithmetic number, because the mean of its divisors is an integer number (73899966224).

Almost surely, 2^{2656424215788} is an apocalyptic number.

2656424215788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2656424215788 is an abundant number, since it is smaller than the sum of its proper divisors (4437972541716).

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

2656424215788 is a wasteful number, since it uses less digits than its factorization.

2656424215788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14631 (or 14629 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 60.

The spelling of 2656424215788 in words is "two trillion, six hundred fifty-six billion, four hundred twenty-four million, two hundred fifteen thousand, seven hundred eighty-eight".