18465756484 has 24 divisors (see below), whose sum is σ = 38122853888. Its totient is φ = 7658608320.

The previous prime is 18465756469. The next prime is 18465756619. The reversal of 18465756484 is 48465756481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10636089 + ... + 10637824.

Almost surely, 2^18465756484 is an apocalyptic number.

18465756484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18465756484 is an abundant number, since it is smaller than the sum of its proper divisors (19657097404).

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

18465756484 is a wasteful number, since it uses less digits than its factorization.

18465756484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21273955 (or 21273953 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 58.

The spelling of 18465756484 in words is "eighteen billion, four hundred sixty-five million, seven hundred fifty-six thousand, four hundred eighty-four".