10439664044 has 24 divisors (see below), whose sum is σ = 18491845680. Its totient is φ = 5156388864.

The previous prime is 10439664043. The next prime is 10439664089. The reversal of 10439664044 is 44046693401.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 10439663992 and 10439664010.

It is not an unprimeable number, because it can be changed into a prime (10439664041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386732 + ... + 412844.

It is an arithmetic number, because the mean of its divisors is an integer number (770493570).

Almost surely, 2^10439664044 is an apocalyptic number.

It is an amenable number.

10439664044 is a deficient number, since it is larger than the sum of its proper divisors (8052181636).

10439664044 is a wasteful number, since it uses less digits than its factorization.

10439664044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27329 (or 27327 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 10439664044 in words is "ten billion, four hundred thirty-nine million, six hundred sixty-four thousand, forty-four".