8448440448447 has 12 divisors (see below), whose sum is σ = 12242291062144. Its totient is φ = 5614299082080.

The previous prime is 8448440448431. The next prime is 8448440448479. The reversal of 8448440448447 is 7448440448448.

It is not a de Polignac number, because 8448440448447 - 2⁴ = 8448440448431 is a prime.

It is a super-2 number, since 2×8448440448447² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8448440448647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1499542879 + ... + 1499548512.

Almost surely, 2^{8448440448447} is an apocalyptic number.

8448440448447 is a deficient number, since it is larger than the sum of its proper divisors (3793850613697).

8448440448447 is a wasteful number, since it uses less digits than its factorization.

8448440448447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999091710 (or 2999091707 counting only the distinct ones).

The product of its (nonzero) digits is 234881024, while the sum is 63.

Subtracting from 8448440448447 its reverse (7448440448448), we obtain a palindrome (999999999999).

The spelling of 8448440448447 in words is "eight trillion, four hundred forty-eight billion, four hundred forty million, four hundred forty-eight thousand, four hundred forty-seven".