10644338608 has 20 divisors (see below), whose sum is σ = 20700081360. Its totient is φ = 5302382144.

The previous prime is 10644338597. The next prime is 10644338623. The reversal of 10644338608 is 80683344601.

It is a super-2 number, since 2×10644338608² (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, 1232260 + ... + 1240867.

It is an arithmetic number, because the mean of its divisors is an integer number (1035004068).

Almost surely, 2^10644338608 is an apocalyptic number.

It is an amenable number.

10644338608 is a deficient number, since it is larger than the sum of its proper divisors (10055742752).

10644338608 is a wasteful number, since it uses less digits than its factorization.

10644338608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473404 (or 2473398 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 10644338608 in words is "ten billion, six hundred forty-four million, three hundred thirty-eight thousand, six hundred eight".