318882460018 has 4 divisors (see below), whose sum is σ = 478323690030. Its totient is φ = 159441230008.

The previous prime is 318882459997. The next prime is 318882460019. The reversal of 318882460018 is 810064288813.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 268051601169 + 50830858849 = 517737^2 + 225457^2 .

It is not an unprimeable number, because it can be changed into a prime (318882460019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79720615003 + ... + 79720615006.

Almost surely, 2^318882460018 is an apocalyptic number.

318882460018 is a deficient number, since it is larger than the sum of its proper divisors (159441230012).

318882460018 is a wasteful number, since it uses less digits than its factorization.

318882460018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159441230011.

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 318882460018 in words is "three hundred eighteen billion, eight hundred eighty-two million, four hundred sixty thousand, eighteen".