18295644204 has 96 divisors (see below), whose sum is σ = 48045715200. Its totient is φ = 6020023680.

The previous prime is 18295644197. The next prime is 18295644253. The reversal of 18295644204 is 40244659281.

It is a happy number.

18295644204 is a `hidden beast` number, since 1 + 82 + 9 + 564 + 4 + 2 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 18295644204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7794159 + ... + 7796505.

It is an arithmetic number, because the mean of its divisors is an integer number (500476200).

Almost surely, 2^18295644204 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 18295644204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24022857600).

18295644204 is an abundant number, since it is smaller than the sum of its proper divisors (29750070996).

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

18295644204 is a wasteful number, since it uses less digits than its factorization.

18295644204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260 (or 3252 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 18295644204 in words is "eighteen billion, two hundred ninety-five million, six hundred forty-four thousand, two hundred four".