18264456336 has 80 divisors (see below), whose sum is σ = 54662386304. Its totient is φ = 5146924032.

The previous prime is 18264456319. The next prime is 18264456347. The reversal of 18264456336 is 63365446281.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 347791 + ... + 396846.

Almost surely, 2^18264456336 is an apocalyptic number.

18264456336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18264456336 is an abundant number, since it is smaller than the sum of its proper divisors (36397929968).

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

18264456336 is a wasteful number, since it uses less digits than its factorization.

18264456336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744728 (or 744722 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 48.

The spelling of 18264456336 in words is "eighteen billion, two hundred sixty-four million, four hundred fifty-six thousand, three hundred thirty-six".