448308442 has 4 divisors (see below), whose sum is σ = 672462666. Its totient is φ = 224154220.

The previous prime is 448308431. The next prime is 448308449. The reversal of 448308442 is 244803844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 446941881 + 1366561 = 21141^2 + 1169^2 .

It is not an unprimeable number, because it can be changed into a prime (448308449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112077109 + ... + 112077112.

Almost surely, 2^448308442 is an apocalyptic number.

448308442 is a deficient number, since it is larger than the sum of its proper divisors (224154224).

448308442 is a wasteful number, since it uses less digits than its factorization.

448308442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224154223.

The product of its (nonzero) digits is 98304, while the sum is 37.

The square root of 448308442 is about 21173.2954921996. The cubic root of 448308442 is about 765.3480364907.

The spelling of 448308442 in words is "four hundred forty-eight million, three hundred eight thousand, four hundred forty-two".