18004808322 has 18 divisors (see below), whose sum is σ = 39011651523. Its totient is φ = 6001413012.

The previous prime is 18004808321. The next prime is 18004808323. The reversal of 18004808322 is 22380840081.

It is a happy number.

18004808322 is a `hidden beast` number, since 1 + 80 + 0 + 480 + 83 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (18004808321) and next prime (18004808323).

It can be written as a sum of positive squares in only one way, i.e., 9002404161 + 9002404161 = 94881^2 + 94881^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=94881.

It is not an unprimeable number, because it can be changed into a prime (18004808321) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 553473 + ... + 585099.

Almost surely, 2^18004808322 is an apocalyptic number.

18004808322 is an abundant number, since it is smaller than the sum of its proper divisors (21006843201).

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

18004808322 is an frugal number, since it uses more digits than its factorization.

18004808322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63262 (or 31632 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 18004808322 in words is "eighteen billion, four million, eight hundred eight thousand, three hundred twenty-two".