2318286398464 has 33 divisors (see below), whose sum is σ = 4634406245721. Its totient is φ = 1159118837760.

The previous prime is 2318286398459. The next prime is 2318286398489. The reversal of 2318286398464 is 4648936828132.

It is a happy number.

The square root of 2318286398464 is 1522592.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1689500836864 + 628785561600 = 1299808^2 + 792960^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2318286398396 and 2318286398405.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 48699154 + ... + 48746734.

Almost surely, 2^{2318286398464} is an apocalyptic number.

2318286398464 is the 1522592-nd square number.

It is an amenable number.

2318286398464 is a deficient number, since it is larger than the sum of its proper divisors (2316119847257).

2318286398464 is an frugal number, since it uses more digits than its factorization.

2318286398464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95182 (or 47583 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 64.

Multiplying 2318286398464 by its sum of digits (64), we get a square (148370329501696 = 12180736²).

2318286398464 divided by its sum of digits (64) gives a square (36223224976 = 190324²).

The spelling of 2318286398464 in words is "two trillion, three hundred eighteen billion, two hundred eighty-six million, three hundred ninety-eight thousand, four hundred sixty-four".