12089640044 has 6 divisors (see below), whose sum is σ = 21156870084. Its totient is φ = 6044820020.

The previous prime is 12089639977. The next prime is 12089640053. The reversal of 12089640044 is 44004698021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1511205002 + ... + 1511205009.

It is an arithmetic number, because the mean of its divisors is an integer number (3526145014).

Almost surely, 2^12089640044 is an apocalyptic number.

It is an amenable number.

12089640044 is a deficient number, since it is larger than the sum of its proper divisors (9067230040).

12089640044 is a wasteful number, since it uses less digits than its factorization.

12089640044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022410015 (or 3022410013 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 12089640044 in words is "twelve billion, eighty-nine million, six hundred forty thousand, forty-four".