18801940012680 has 64 divisors (see below), whose sum is σ = 61533621864000. Its totient is φ = 4558046063360.

The previous prime is 18801940012649. The next prime is 18801940012741. The reversal of 18801940012680 is 8621004910881.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7121945655 + ... + 7121948294.

It is an arithmetic number, because the mean of its divisors is an integer number (961462841625).

Almost surely, 2^{18801940012680} is an apocalyptic number.

18801940012680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18801940012680 is an abundant number, since it is smaller than the sum of its proper divisors (42731681851320).

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

18801940012680 is a wasteful number, since it uses less digits than its factorization.

18801940012680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243893974 (or 14243893970 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 48.

The spelling of 18801940012680 in words is "eighteen trillion, eight hundred one billion, nine hundred forty million, twelve thousand, six hundred eighty".