12394889180 has 24 divisors (see below), whose sum is σ = 26100207168. Its totient is φ = 4944443328.

The previous prime is 12394889141. The next prime is 12394889203. The reversal of 12394889180 is 8198849321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836999 + ... + 851678.

It is an arithmetic number, because the mean of its divisors is an integer number (1087508632).

Almost surely, 2^12394889180 is an apocalyptic number.

12394889180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12394889180 is an abundant number, since it is smaller than the sum of its proper divisors (13705317988).

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

12394889180 is a wasteful number, since it uses less digits than its factorization.

12394889180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689053 (or 1689051 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 12394889180 in words is "twelve billion, three hundred ninety-four million, eight hundred eighty-nine thousand, one hundred eighty".