18004540576 has 144 divisors (see below), whose sum is σ = 41655829824. Its totient is φ = 7635584000.

The previous prime is 18004540559. The next prime is 18004540577. The reversal of 18004540576 is 67504540081.

It is not an unprimeable number, because it can be changed into a prime (18004540577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3648831 + ... + 3653761.

It is an arithmetic number, because the mean of its divisors is an integer number (289276596).

Almost surely, 2^18004540576 is an apocalyptic number.

18004540576 is a gapful number since it is divisible by the number (16) 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 18004540576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20827914912).

18004540576 is an abundant number, since it is smaller than the sum of its proper divisors (23651289248).

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

18004540576 is a wasteful number, since it uses less digits than its factorization.

18004540576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 18004540576 in words is "eighteen billion, four million, five hundred forty thousand, five hundred seventy-six".