18706032877440 has 256 divisors, whose sum is σ = 63541683947520. Its totient is φ = 4669874356224.

The previous prime is 18706032877403. The next prime is 18706032877457. The reversal of 18706032877440 is 4477823060781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2430829 + ... + 6581868.

It is an arithmetic number, because the mean of its divisors is an integer number (248209702920).

Almost surely, 2^{18706032877440} is an apocalyptic number.

18706032877440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18706032877440 is an abundant number, since it is smaller than the sum of its proper divisors (44835651070080).

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

18706032877440 is a wasteful number, since it uses less digits than its factorization.

18706032877440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012789 (or 9012777 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 18706032877440 in words is "eighteen trillion, seven hundred six billion, thirty-two million, eight hundred seventy-seven thousand, four hundred forty".