8438447448 has 48 divisors (see below), whose sum is σ = 22927206120. Its totient is φ = 2803821696.

The previous prime is 8438447429. The next prime is 8438447449. The reversal of 8438447448 is 8447448348.

8438447448 is a `hidden beast` number, since 84 + 3 + 84 + 47 + 448 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8438447394 and 8438447403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438447449) 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, 164686 + ... + 209757.

Almost surely, 2^8438447448 is an apocalyptic number.

It is an amenable number.

8438447448 is an abundant number, since it is smaller than the sum of its proper divisors (14488758672).

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

8438447448 is a wasteful number, since it uses less digits than its factorization.

8438447448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374768 (or 374761 counting only the distinct ones).

The product of its digits is 11010048, while the sum is 54.

The square root of 8438447448 is about 91861.0224632842. The cubic root of 8438447448 is about 2035.8894101732.

The spelling of 8438447448 in words is "eight billion, four hundred thirty-eight million, four hundred forty-seven thousand, four hundred forty-eight".