340226656644 has 72 divisors (see below), whose sum is σ = 923599454400. Its totient is φ = 97194237504.

The previous prime is 340226656607. The next prime is 340226656657. The reversal of 340226656644 is 446656622043.

It is a junction number, because it is equal to n+sod(n) for n = 340226656593 and 340226656602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4719382 + ... + 4790930.

It is an arithmetic number, because the mean of its divisors is an integer number (12827770200).

Almost surely, 2^340226656644 is an apocalyptic number.

It is an amenable number.

340226656644 is an abundant number, since it is smaller than the sum of its proper divisors (583372797756).

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

340226656644 is a wasteful number, since it uses less digits than its factorization.

340226656644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79657 (or 79648 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 340226656644 in words is "three hundred forty billion, two hundred twenty-six million, six hundred fifty-six thousand, six hundred forty-four".