18044852022144 has 512 divisors, whose sum is σ = 54628197120000. Its totient is φ = 5862505807872.

The previous prime is 18044852022139. The next prime is 18044852022149. The reversal of 18044852022144 is 44122025844081.

18044852022144 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 485 + 2 + 0 + 22 + 144 = 666.

It is an interprime number because it is at equal distance from previous prime (18044852022139) and next prime (18044852022149).

It is a self number, because there is not a number n which added to its sum of digits gives 18044852022144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18044852022149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8381258572 + ... + 8381260724.

It is an arithmetic number, because the mean of its divisors is an integer number (106695697500).

Almost surely, 2^{18044852022144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18044852022144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27314098560000).

18044852022144 is an abundant number, since it is smaller than the sum of its proper divisors (36583345097856).

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

18044852022144 is a wasteful number, since it uses less digits than its factorization.

18044852022144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 45.

The spelling of 18044852022144 in words is "eighteen trillion, forty-four billion, eight hundred fifty-two million, twenty-two thousand, one hundred forty-four".