10644342756 has 48 divisors (see below), whose sum is σ = 25460785728. Its totient is φ = 3459097600.

The previous prime is 10644342739. The next prime is 10644342847. The reversal of 10644342756 is 65724344601.

It is a happy number.

It is a super-2 number, since 2×10644342756² (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 15 ways as a sum of consecutive naturals, for example, 757111 + ... + 771041.

It is an arithmetic number, because the mean of its divisors is an integer number (530433036).

Almost surely, 2^10644342756 is an apocalyptic number.

It is an amenable number.

10644342756 is an abundant number, since it is smaller than the sum of its proper divisors (14816442972).

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

10644342756 is a wasteful number, since it uses less digits than its factorization.

10644342756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532 (or 15530 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 10644342756 in words is "ten billion, six hundred forty-four million, three hundred forty-two thousand, seven hundred fifty-six".