18752644940912 has 80 divisors (see below), whose sum is σ = 37775615539200. Its totient is φ = 9008657222400.

The previous prime is 18752644940879. The next prime is 18752644940947. The reversal of 18752644940912 is 21904944625781.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

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, 45296483 + ... + 45708605.

It is an arithmetic number, because the mean of its divisors is an integer number (472195194240).

Almost surely, 2^{18752644940912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18752644940912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18887807769600).

18752644940912 is an abundant number, since it is smaller than the sum of its proper divisors (19022970598288).

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

18752644940912 is a wasteful number, since it uses less digits than its factorization.

18752644940912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412822 (or 412816 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 18752644940912 in words is "eighteen trillion, seven hundred fifty-two billion, six hundred forty-four million, nine hundred forty thousand, nine hundred twelve".