344475643656 has 16 divisors (see below), whose sum is σ = 861189109200. Its totient is φ = 114825214544.

The previous prime is 344475643649. The next prime is 344475643663. The reversal of 344475643656 is 656346574443.

It is an interprime number because it is at equal distance from previous prime (344475643649) and next prime (344475643663).

It is a super-3 number, since 3×344475643656³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344475643596 and 344475643605.

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, 7176575886 + ... + 7176575933.

It is an arithmetic number, because the mean of its divisors is an integer number (53824319325).

Almost surely, 2^344475643656 is an apocalyptic number.

It is an amenable number.

344475643656 is an abundant number, since it is smaller than the sum of its proper divisors (516713465544).

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

344475643656 is a wasteful number, since it uses less digits than its factorization.

344475643656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14353151828 (or 14353151824 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 57.

The spelling of 344475643656 in words is "three hundred forty-four billion, four hundred seventy-five million, six hundred forty-three thousand, six hundred fifty-six".