8440448488 has 24 divisors (see below), whose sum is σ = 16089590790. Its totient is φ = 4151025600.

The previous prime is 8440448459. The next prime is 8440448503. The reversal of 8440448488 is 8848440448.

It can be written as a sum of positive squares in 3 ways, for example, as 3994492804 + 4445955684 = 63202^2 + 66678^2 .

It is a super-2 number, since 2×8440448488² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112003 + ... + 171538.

Almost surely, 2^8440448488 is an apocalyptic number.

It is an amenable number.

8440448488 is a deficient number, since it is larger than the sum of its proper divisors (7649142302).

8440448488 is a wasteful number, since it uses less digits than its factorization.

8440448488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283669 (or 283604 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

The square root of 8440448488 is about 91871.9134882909. The cubic root of 8440448488 is about 2036.0503234294.

The spelling of 8440448488 in words is "eight billion, four hundred forty million, four hundred forty-eight thousand, four hundred eighty-eight".