18243589514304 has 112 divisors (see below), whose sum is σ = 60180152472576. Its totient is φ = 4738594675200.

The previous prime is 18243589514303. The next prime is 18243589514317. The reversal of 18243589514304 is 40341598534281.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (18243589514303) 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, 616989732 + ... + 617019299.

Almost surely, 2^{18243589514304} is an apocalyptic number.

18243589514304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18243589514304 is an abundant number, since it is smaller than the sum of its proper divisors (41936562958272).

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

18243589514304 is a wasteful number, since it uses less digits than its factorization.

18243589514304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234009064 (or 1234009054 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 18243589514304 in words is "eighteen trillion, two hundred forty-three billion, five hundred eighty-nine million, five hundred fourteen thousand, three hundred four".