18426482568 has 288 divisors, whose sum is σ = 59212520640. Its totient is φ = 5135581440.

The previous prime is 18426482483. The next prime is 18426482623. The reversal of 18426482568 is 86528462481.

18426482568 is a `hidden beast` number, since 1 + 84 + 26 + 482 + 5 + 68 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7770423 + ... + 7772793.

It is an arithmetic number, because the mean of its divisors is an integer number (205599030).

Almost surely, 2^18426482568 is an apocalyptic number.

18426482568 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 18426482568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29606260320).

18426482568 is an abundant number, since it is smaller than the sum of its proper divisors (40786038072).

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

18426482568 is a wasteful number, since it uses less digits than its factorization.

18426482568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2431 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The spelling of 18426482568 in words is "eighteen billion, four hundred twenty-six million, four hundred eighty-two thousand, five hundred sixty-eight".