18422317928448 has 1456 divisors, whose sum is σ = 65548549580800. Its totient is φ = 5065614360576.

The previous prime is 18422317928393. The next prime is 18422317928453. The reversal of 18422317928448 is 84482971322481.

18422317928448 is a `hidden beast` number, since 1 + 8 + 422 + 3 + 1 + 7 + 92 + 84 + 48 = 666.

It is a super-2 number, since 2×18422317928448² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 92574461853 + ... + 92574462051.

Almost surely, 2^{18422317928448} is an apocalyptic number.

18422317928448 is a gapful number since it is divisible by the number (18) 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 18422317928448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32774274790400).

18422317928448 is an abundant number, since it is smaller than the sum of its proper divisors (47126231652352).

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

18422317928448 is an equidigital number, since it uses as much as digits as its factorization.

18422317928448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 357 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The spelling of 18422317928448 in words is "eighteen trillion, four hundred twenty-two billion, three hundred seventeen million, nine hundred twenty-eight thousand, four hundred forty-eight".