18357018484 has 24 divisors (see below), whose sum is σ = 36722181440. Its totient is φ = 7865548416.

The previous prime is 18357018479. The next prime is 18357018503. The reversal of 18357018484 is 48481075381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60007 + ... + 200785.

Almost surely, 2^18357018484 is an apocalyptic number.

18357018484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18357018484 is an abundant number, since it is smaller than the sum of its proper divisors (18365162956).

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

18357018484 is a wasteful number, since it uses less digits than its factorization.

18357018484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145447 (or 145445 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 18357018484 in words is "eighteen billion, three hundred fifty-seven million, eighteen thousand, four hundred eighty-four".