18072375204 has 96 divisors (see below), whose sum is σ = 45826292736. Its totient is φ = 5510275200.

The previous prime is 18072375203. The next prime is 18072375229. The reversal of 18072375204 is 40257327081.

It is a super-2 number, since 2×18072375204² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (18072375203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13826719 + ... + 13828025.

It is an arithmetic number, because the mean of its divisors is an integer number (477357216).

Almost surely, 2^18072375204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18072375204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22913146368).

18072375204 is an abundant number, since it is smaller than the sum of its proper divisors (27753917532).

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

18072375204 is a wasteful number, since it uses less digits than its factorization.

18072375204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 18072375204 in words is "eighteen billion, seventy-two million, three hundred seventy-five thousand, two hundred four".