18009907464384 has 224 divisors, whose sum is σ = 58319820449280. Its totient is φ = 5404561228800.

The previous prime is 18009907464377. The next prime is 18009907464403. The reversal of 18009907464384 is 48346470990081.

18009907464384 is a `hidden beast` number, since 1 + 8 + 0 + 0 + 9 + 90 + 7 + 464 + 3 + 84 = 666.

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, 2641647 + ... + 6557294.

Almost surely, 2^{18009907464384} is an apocalyptic number.

It is an amenable number.

18009907464384 is an abundant number, since it is smaller than the sum of its proper divisors (40309912984896).

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

18009907464384 is a wasteful number, since it uses less digits than its factorization.

18009907464384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9199076 (or 9199060 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 18009907464384 in words is "eighteen trillion, nine billion, nine hundred seven million, four hundred sixty-four thousand, three hundred eighty-four".