8318312244 has 72 divisors (see below), whose sum is σ = 22977706752. Its totient is φ = 2516378880.

The previous prime is 8318312147. The next prime is 8318312329. The reversal of 8318312244 is 4422138138.

It is a happy number.

8318312244 is a `hidden beast` number, since 8 + 318 + 312 + 24 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8318312199 and 8318312208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217117 + ... + 252539.

It is an arithmetic number, because the mean of its divisors is an integer number (319134816).

Almost surely, 2^8318312244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8318312244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11488853376).

8318312244 is an abundant number, since it is smaller than the sum of its proper divisors (14659394508).

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

8318312244 is a wasteful number, since it uses less digits than its factorization.

8318312244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36037 (or 36032 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 8318312244 is about 91204.7819141080. The cubic root of 8318312244 is about 2026.1817818791.

The spelling of 8318312244 in words is "eight billion, three hundred eighteen million, three hundred twelve thousand, two hundred forty-four".