10644244456 has 16 divisors (see below), whose sum is σ = 20239057440. Its totient is φ = 5247162480.

The previous prime is 10644244441. The next prime is 10644244483. The reversal of 10644244456 is 65444244601.

It is a super-2 number, since 2×10644244456² (a number of 21 digits) contains 22 as substring.

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, 9369366 + ... + 9370501.

It is an arithmetic number, because the mean of its divisors is an integer number (1264941090).

Almost surely, 2^10644244456 is an apocalyptic number.

It is an amenable number.

10644244456 is a deficient number, since it is larger than the sum of its proper divisors (9594812984).

10644244456 is a wasteful number, since it uses less digits than its factorization.

10644244456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18739944 (or 18739940 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 10644244456 in words is "ten billion, six hundred forty-four million, two hundred forty-four thousand, four hundred fifty-six".