18268231330944 has 96 divisors (see below), whose sum is σ = 60078558421440. Its totient is φ = 5219494663680.

The previous prime is 18268231330933. The next prime is 18268231330991. The reversal of 18268231330944 is 44903313286281.

18268231330944 is a `hidden beast` number, since 1 + 8 + 2 + 68 + 231 + 3 + 309 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×18268231330944² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1132694772 + ... + 1132710899.

It is an arithmetic number, because the mean of its divisors is an integer number (625818316890).

Almost surely, 2^{18268231330944} is an apocalyptic number.

18268231330944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18268231330944 is an abundant number, since it is smaller than the sum of its proper divisors (41810327090496).

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

18268231330944 is a wasteful number, since it uses less digits than its factorization.

18268231330944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265405698 (or 2265405683 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 18268231330944 in words is "eighteen trillion, two hundred sixty-eight billion, two hundred thirty-one million, three hundred thirty thousand, nine hundred forty-four".