8445681296 has 40 divisors (see below), whose sum is σ = 17630996544. Its totient is φ = 3896069760.

The previous prime is 8445681269. The next prime is 8445681301. The reversal of 8445681296 is 6921865448.

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, 462581 + ... + 480491.

Almost surely, 2^8445681296 is an apocalyptic number.

It is an amenable number.

8445681296 is an abundant number, since it is smaller than the sum of its proper divisors (9185315248).

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

8445681296 is a wasteful number, since it uses less digits than its factorization.

8445681296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20199 (or 20193 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The square root of 8445681296 is about 91900.3878990725. The cubic root of 8445681296 is about 2036.4709985245.

The spelling of 8445681296 in words is "eight billion, four hundred forty-five million, six hundred eighty-one thousand, two hundred ninety-six".