18047247304 has 16 divisors (see below), whose sum is σ = 33852980700. Its totient is φ = 9019785792.

The previous prime is 18047247269. The next prime is 18047247307. The reversal of 18047247304 is 40374274081.

It can be written as a sum of positive squares in 2 ways, for example, as 17371767204 + 675480100 = 131802^2 + 25990^2 .

It is not an unprimeable number, because it can be changed into a prime (18047247307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459699 + ... + 497410.

Almost surely, 2^18047247304 is an apocalyptic number.

It is an amenable number.

18047247304 is a deficient number, since it is larger than the sum of its proper divisors (15805733396).

18047247304 is a wasteful number, since it uses less digits than its factorization.

18047247304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959472 (or 959468 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 18047247304 in words is "eighteen billion, forty-seven million, two hundred forty-seven thousand, three hundred four".