18422593344 has 280 divisors, whose sum is σ = 57755332800. Its totient is φ = 5790320640.

The previous prime is 18422593333. The next prime is 18422593369. The reversal of 18422593344 is 44339522481.

18422593344 is a `hidden beast` number, since 1 + 8 + 4 + 22 + 593 + 34 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 18422593344.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 35359804 + ... + 35360324.

Almost surely, 2^18422593344 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 18422593344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28877666400).

18422593344 is an abundant number, since it is smaller than the sum of its proper divisors (39332739456).

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

18422593344 is a wasteful number, since it uses less digits than its factorization.

18422593344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 904 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 18422593344 in words is "eighteen billion, four hundred twenty-two million, five hundred ninety-three thousand, three hundred forty-four".