448817904 has 60 divisors (see below), whose sum is σ = 1264446352. Its totient is φ = 148608000.

The previous prime is 448817843. The next prime is 448817911. The reversal of 448817904 is 409718844.

It is a self number, because there is not a number n which added to its sum of digits gives 448817904.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11424 + ... + 32064.

Almost surely, 2^448817904 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 448817904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632223176).

448817904 is an abundant number, since it is smaller than the sum of its proper divisors (815628448).

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

448817904 is a wasteful number, since it uses less digits than its factorization.

448817904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20806 (or 20797 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 448817904 is about 21185.3228438936. The cubic root of 448817904 is about 765.6378430143.

The spelling of 448817904 in words is "four hundred forty-eight million, eight hundred seventeen thousand, nine hundred four".