10644712464 has 20 divisors (see below), whose sum is σ = 27498840656. Its totient is φ = 3548237472.

The previous prime is 10644712433. The next prime is 10644712483. The reversal of 10644712464 is 46421744601.

It is a super-2 number, since 2×10644712464² (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, 110882374 + ... + 110882469.

Almost surely, 2^10644712464 is an apocalyptic number.

It is an amenable number.

10644712464 is an abundant number, since it is smaller than the sum of its proper divisors (16854128192).

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

10644712464 is a wasteful number, since it uses less digits than its factorization.

10644712464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221764854 (or 221764848 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 10644712464 in words is "ten billion, six hundred forty-four million, seven hundred twelve thousand, four hundred sixty-four".