18485468704 has 48 divisors (see below), whose sum is σ = 38887695000. Its totient is φ = 8619208704.

The previous prime is 18485468689. The next prime is 18485468717. The reversal of 18485468704 is 40786458481.

It can be written as a sum of positive squares in 4 ways, for example, as 18481858704 + 3610000 = 135948^2 + 1900^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96579 + ... + 215170.

Almost surely, 2^18485468704 is an apocalyptic number.

It is an amenable number.

18485468704 is an abundant number, since it is smaller than the sum of its proper divisors (20402226296).

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

18485468704 is a wasteful number, since it uses less digits than its factorization.

18485468704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311885 (or 311877 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 55.

The spelling of 18485468704 in words is "eighteen billion, four hundred eighty-five million, four hundred sixty-eight thousand, seven hundred four".