12641592940 has 12 divisors (see below), whose sum is σ = 26547345216. Its totient is φ = 5056637168.

The previous prime is 12641592917. The next prime is 12641592941. The reversal of 12641592940 is 4929514621.

It is not an unprimeable number, because it can be changed into a prime (12641592941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316039804 + ... + 316039843.

It is an arithmetic number, because the mean of its divisors is an integer number (2212278768).

Almost surely, 2^12641592940 is an apocalyptic number.

12641592940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12641592940 is an abundant number, since it is smaller than the sum of its proper divisors (13905752276).

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

12641592940 is a wasteful number, since it uses less digits than its factorization.

12641592940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632079656 (or 632079654 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 12641592940 in words is "twelve billion, six hundred forty-one million, five hundred ninety-two thousand, nine hundred forty".