448521872 has 10 divisors (see below), whose sum is σ = 869011158. Its totient is φ = 224260928.

The previous prime is 448521869. The next prime is 448521877. The reversal of 448521872 is 278125844.

It can be written as a sum of positive squares in only one way, i.e., 342102016 + 106419856 = 18496^2 + 10316^2 .

It is not an unprimeable number, because it can be changed into a prime (448521877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14016293 + ... + 14016324.

Almost surely, 2^448521872 is an apocalyptic number.

It is an amenable number.

448521872 is a deficient number, since it is larger than the sum of its proper divisors (420489286).

448521872 is a wasteful number, since it uses less digits than its factorization.

448521872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28032625 (or 28032619 counting only the distinct ones).

The product of its digits is 143360, while the sum is 41.

The square root of 448521872 is about 21178.3349676031. The cubic root of 448521872 is about 765.4694724641.

The spelling of 448521872 in words is "four hundred forty-eight million, five hundred twenty-one thousand, eight hundred seventy-two".