18042804582 has 64 divisors (see below), whose sum is σ = 41931800064. Its totient is φ = 5115031040.

The previous prime is 18042804557. The next prime is 18042804583. The reversal of 18042804582 is 28540824081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18042804583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139228 + ... + 235520.

It is an arithmetic number, because the mean of its divisors is an integer number (655184376).

Almost surely, 2^18042804582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18042804582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20965900032).

18042804582 is an abundant number, since it is smaller than the sum of its proper divisors (23888995482).

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

18042804582 is a wasteful number, since it uses less digits than its factorization.

18042804582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96493.

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 18042804582 in words is "eighteen billion, forty-two million, eight hundred four thousand, five hundred eighty-two".