18856008478200 has 192 divisors, whose sum is σ = 59942961619200. Its totient is φ = 4901745587200.

The previous prime is 18856008478189. The next prime is 18856008478243. The reversal of 18856008478200 is 287480065881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1304719 + ... + 6278081.

It is an arithmetic number, because the mean of its divisors is an integer number (312202925100).

Almost surely, 2^{18856008478200} is an apocalyptic number.

18856008478200 is a gapful number since it is divisible by the number (10) 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 18856008478200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29971480809600).

18856008478200 is an abundant number, since it is smaller than the sum of its proper divisors (41086953141000).

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

18856008478200 is a wasteful number, since it uses less digits than its factorization.

18856008478200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973542 (or 4973533 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 57.

The spelling of 18856008478200 in words is "eighteen trillion, eight hundred fifty-six billion, eight million, four hundred seventy-eight thousand, two hundred".