18628803044712 has 384 divisors, whose sum is σ = 59944623298560. Its totient is φ = 5115912721920.

The previous prime is 18628803044701. The next prime is 18628803044737. The reversal of 18628803044712 is 21744030882681.

18628803044712 is a `hidden beast` number, since 1 + 8 + 6 + 288 + 0 + 304 + 47 + 12 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 841664398 + ... + 841686530.

It is an arithmetic number, because the mean of its divisors is an integer number (156105789840).

Almost surely, 2^{18628803044712} is an apocalyptic number.

18628803044712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18628803044712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29972311649280).

18628803044712 is an abundant number, since it is smaller than the sum of its proper divisors (41315820253848).

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

18628803044712 is a wasteful number, since it uses less digits than its factorization.

18628803044712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22813 (or 22806 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 18628803044712 in words is "eighteen trillion, six hundred twenty-eight billion, eight hundred three million, forty-four thousand, seven hundred twelve".