8318481412 has 24 divisors (see below), whose sum is σ = 15437058840. Its totient is φ = 3908636160.

The previous prime is 8318481397. The next prime is 8318481433. The reversal of 8318481412 is 2141848138.

It can be written as a sum of positive squares in 4 ways, for example, as 6330748356 + 1987733056 = 79566^2 + 44584^2 .

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, 47587 + ... + 137482.

It is an arithmetic number, because the mean of its divisors is an integer number (643210785).

Almost surely, 2^8318481412 is an apocalyptic number.

It is an amenable number.

8318481412 is a deficient number, since it is larger than the sum of its proper divisors (7118577428).

8318481412 is a wasteful number, since it uses less digits than its factorization.

8318481412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185751 (or 185749 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 8318481412 is about 91205.7093169063. The cubic root of 8318481412 is about 2026.1955171491.

The spelling of 8318481412 in words is "eight billion, three hundred eighteen million, four hundred eighty-one thousand, four hundred twelve".