18484504518 has 32 divisors (see below), whose sum is σ = 37715349600. Its totient is φ = 6038337536.

The previous prime is 18484504517. The next prime is 18484504537. The reversal of 18484504518 is 81540548481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18484504513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92823 + ... + 213506.

It is an arithmetic number, because the mean of its divisors is an integer number (1178604675).

Almost surely, 2^18484504518 is an apocalyptic number.

18484504518 is an abundant number, since it is smaller than the sum of its proper divisors (19230845082).

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

18484504518 is a wasteful number, since it uses less digits than its factorization.

18484504518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306536.

The product of its (nonzero) digits is 819200, while the sum is 48.

The spelling of 18484504518 in words is "eighteen billion, four hundred eighty-four million, five hundred four thousand, five hundred eighteen".