18074922444 has 192 divisors, whose sum is σ = 50746752000. Its totient is φ = 5542732800.

The previous prime is 18074922413. The next prime is 18074922449. The reversal of 18074922444 is 44422947081.

18074922444 is a `hidden beast` number, since 180 + 7 + 4 + 9 + 22 + 444 = 666.

It is a super-2 number, since 2×18074922444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18074922444.

It is not an unprimeable number, because it can be changed into a prime (18074922449) 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, 22286799 + ... + 22287609.

It is an arithmetic number, because the mean of its divisors is an integer number (264306000).

Almost surely, 2^18074922444 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 18074922444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25373376000).

18074922444 is an abundant number, since it is smaller than the sum of its proper divisors (32671829556).

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

18074922444 is a wasteful number, since it uses less digits than its factorization.

18074922444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 18074922444 in words is "eighteen billion, seventy-four million, nine hundred twenty-two thousand, four hundred forty-four".