6448448446 has 16 divisors (see below), whose sum is σ = 10892395008. Its totient is φ = 2836560600.

The previous prime is 6448448441. The next prime is 6448448459.

6448448446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6448448393 and 6448448402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448448441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4726920 + ... + 4728283.

It is an arithmetic number, because the mean of its divisors is an integer number (680774688).

Almost surely, 2^6448448446 is an apocalyptic number.

6448448446 is a deficient number, since it is larger than the sum of its proper divisors (4443946562).

6448448446 is a wasteful number, since it uses less digits than its factorization.

6448448446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455247.

The product of its digits is 9437184, while the sum is 52.

The square root of 6448448446 is about 80302.2318867913. The cubic root of 6448448446 is about 1861.3087145628.

The spelling of 6448448446 in words is "six billion, four hundred forty-eight million, four hundred forty-eight thousand, four hundred forty-six".