448842456 has 24 divisors (see below), whose sum is σ = 1215615180. Its totient is φ = 149614128.

The previous prime is 448842451. The next prime is 448842469. The reversal of 448842456 is 654248844.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×448842456² = 402919100616223872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448842451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3116890 + ... + 3117033.

Almost surely, 2^448842456 is an apocalyptic number.

It is an amenable number.

448842456 is an abundant number, since it is smaller than the sum of its proper divisors (766772724).

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

448842456 is a wasteful number, since it uses less digits than its factorization.

448842456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233935 (or 6233928 counting only the distinct ones).

The product of its digits is 983040, while the sum is 45.

The square root of 448842456 is about 21185.9022937424. The cubic root of 448842456 is about 765.6518038341.

The spelling of 448842456 in words is "four hundred forty-eight million, eight hundred forty-two thousand, four hundred fifty-six".