448636992 has 56 divisors (see below), whose sum is σ = 1193267616. Its totient is φ = 148758528.

The previous prime is 448636967. The next prime is 448636999. The reversal of 448636992 is 299636844.

It is not an unprimeable number, because it can be changed into a prime (448636999) 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 7 ways as a sum of consecutive naturals, for example, 31003 + ... + 43109.

Almost surely, 2^448636992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448636992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596633808).

448636992 is an abundant number, since it is smaller than the sum of its proper divisors (744630624).

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

448636992 is a wasteful number, since it uses less digits than its factorization.

448636992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12315 (or 12305 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The square root of 448636992 is about 21181.0526650589. The cubic root of 448636992 is about 765.5349566787.

The spelling of 448636992 in words is "four hundred forty-eight million, six hundred thirty-six thousand, nine hundred ninety-two".