448978688 has 36 divisors (see below), whose sum is σ = 913140648. Its totient is φ = 220247040.

The previous prime is 448978679. The next prime is 448978693. The reversal of 448978688 is 886879844.

It is a self number, because there is not a number n which added to its sum of digits gives 448978688.

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 3 ways as a sum of consecutive naturals, for example, 2978 + ... + 30113.

It is an arithmetic number, because the mean of its divisors is an integer number (25365018).

Almost surely, 2^448978688 is an apocalyptic number.

It is an amenable number.

448978688 is an abundant number, since it is smaller than the sum of its proper divisors (464161960).

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

448978688 is an equidigital number, since it uses as much as digits as its factorization.

448978688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33160 (or 33146 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 62.

The square root of 448978688 is about 21189.1172067172. The cubic root of 448978688 is about 765.7292591668.

The spelling of 448978688 in words is "four hundred forty-eight million, nine hundred seventy-eight thousand, six hundred eighty-eight".