18032235204 has 48 divisors (see below), whose sum is σ = 42530660928. Its totient is φ = 5945745408.

The previous prime is 18032235131. The next prime is 18032235227. The reversal of 18032235204 is 40253223081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4208047 + ... + 4212329.

It is an arithmetic number, because the mean of its divisors is an integer number (886055436).

Almost surely, 2^18032235204 is an apocalyptic number.

It is an amenable number.

18032235204 is an abundant number, since it is smaller than the sum of its proper divisors (24498425724).

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

18032235204 is a wasteful number, since it uses less digits than its factorization.

18032235204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004 (or 8002 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 18032235204 its reverse (40253223081), we get a palindrome (58285458285).

The spelling of 18032235204 in words is "eighteen billion, thirty-two million, two hundred thirty-five thousand, two hundred four".