8445648896 has 56 divisors (see below), whose sum is σ = 17014073160. Its totient is φ = 4191879168.

The previous prime is 8445648889. The next prime is 8445648901. The reversal of 8445648896 is 6988465448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134980 + ... + 1142396.

It is an arithmetic number, because the mean of its divisors is an integer number (303822735).

Almost surely, 2^8445648896 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 8445648896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8507036580).

8445648896 is an abundant number, since it is smaller than the sum of its proper divisors (8568424264).

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

8445648896 is an equidigital number, since it uses as much as digits as its factorization.

8445648896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582 (or 7558 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 62.

The square root of 8445648896 is about 91900.2116210839. The cubic root of 8445648896 is about 2036.4683943634.

The spelling of 8445648896 in words is "eight billion, four hundred forty-five million, six hundred forty-eight thousand, eight hundred ninety-six".