18086982480 has 400 divisors, whose sum is σ = 72222294144. Its totient is φ = 4109460480.

The previous prime is 18086982469. The next prime is 18086982497. The reversal of 18086982480 is 8428968081.

18086982480 is a `hidden beast` number, since 1 + 8 + 0 + 86 + 9 + 82 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8209059 + ... + 8211261.

Almost surely, 2^18086982480 is an apocalyptic number.

18086982480 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 18086982480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36111147072).

18086982480 is an abundant number, since it is smaller than the sum of its proper divisors (54135311664).

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

18086982480 is a wasteful number, since it uses less digits than its factorization.

18086982480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 18086982480 in words is "eighteen billion, eighty-six million, nine hundred eighty-two thousand, four hundred eighty".