18044190913392 has 480 divisors, whose sum is σ = 59517015667200. Its totient is φ = 4997596741632.

The previous prime is 18044190913387. The next prime is 18044190913471. The reversal of 18044190913392 is 29331909144081.

18044190913392 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 419 + 0 + 9 + 133 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 931111159 + ... + 931130537.

It is an arithmetic number, because the mean of its divisors is an integer number (123993782640).

Almost surely, 2^{18044190913392} is an apocalyptic number.

18044190913392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18044190913392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29758507833600).

18044190913392 is an abundant number, since it is smaller than the sum of its proper divisors (41472824753808).

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

18044190913392 is a wasteful number, since it uses less digits than its factorization.

18044190913392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19693 (or 19684 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 18044190913392 in words is "eighteen trillion, forty-four billion, one hundred ninety million, nine hundred thirteen thousand, three hundred ninety-two".