344855256664 has 32 divisors (see below), whose sum is σ = 656299837440. Its totient is φ = 169859498400.

The previous prime is 344855256659. The next prime is 344855256671. The reversal of 344855256664 is 466652558443.

It is a junction number, because it is equal to n+sod(n) for n = 344855256599 and 344855256608.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 938202 + ... + 1252969.

It is an arithmetic number, because the mean of its divisors is an integer number (20509369920).

Almost surely, 2^344855256664 is an apocalyptic number.

It is an amenable number.

344855256664 is a deficient number, since it is larger than the sum of its proper divisors (311444580776).

344855256664 is a wasteful number, since it uses less digits than its factorization.

344855256664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191471 (or 2191467 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 58.

The spelling of 344855256664 in words is "three hundred forty-four billion, eight hundred fifty-five million, two hundred fifty-six thousand, six hundred sixty-four".