448405512 has 32 divisors (see below), whose sum is σ = 1123994400. Its totient is φ = 149071104.

The previous prime is 448405459. The next prime is 448405513. The reversal of 448405512 is 215504844.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (448405513) 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, 15553 + ... + 33744.

It is an arithmetic number, because the mean of its divisors is an integer number (35124825).

Almost surely, 2^448405512 is an apocalyptic number.

It is an amenable number.

448405512 is an abundant number, since it is smaller than the sum of its proper divisors (675588888).

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

448405512 is a wasteful number, since it uses less digits than its factorization.

448405512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49685 (or 49681 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 448405512 is about 21175.5876423772. The cubic root of 448405512 is about 765.4032715072.

The spelling of 448405512 in words is "four hundred forty-eight million, four hundred five thousand, five hundred twelve".