448791664 has 40 divisors (see below), whose sum is σ = 878850000. Its totient is φ = 222007296.

The previous prime is 448791631. The next prime is 448791671. The reversal of 448791664 is 466197844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999312 + ... + 999760.

It is an arithmetic number, because the mean of its divisors is an integer number (21971250).

Almost surely, 2^448791664 is an apocalyptic number.

It is an amenable number.

448791664 is a deficient number, since it is larger than the sum of its proper divisors (430058336).

448791664 is a wasteful number, since it uses less digits than its factorization.

448791664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 979 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 448791664 is about 21184.7035381664. The cubic root of 448791664 is about 765.6229217969.

The spelling of 448791664 in words is "four hundred forty-eight million, seven hundred ninety-one thousand, six hundred sixty-four".