8318945460 has 48 divisors (see below), whose sum is σ = 26620626816. Its totient is φ = 1901473152.

The previous prime is 8318945447. The next prime is 8318945471. The reversal of 8318945460 is 645498138.

It is a super-2 number, since 2×8318945460² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9903087 + ... + 9903926.

It is an arithmetic number, because the mean of its divisors is an integer number (554596392).

Almost surely, 2^8318945460 is an apocalyptic number.

It is an amenable number.

8318945460 is an abundant number, since it is smaller than the sum of its proper divisors (18301681356).

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

8318945460 is a wasteful number, since it uses less digits than its factorization.

8318945460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19807032 (or 19807030 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 8318945460 is about 91208.2532449778. The cubic root of 8318945460 is about 2026.2331936772.

The spelling of 8318945460 in words is "eight billion, three hundred eighteen million, nine hundred forty-five thousand, four hundred sixty".