448394864 has 10 divisors (see below), whose sum is σ = 868765080. Its totient is φ = 224197424.

The previous prime is 448394861. The next prime is 448394909. The reversal of 448394864 is 468493844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448394861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012324 + ... + 14012355.

It is an arithmetic number, because the mean of its divisors is an integer number (86876508).

Almost surely, 2^448394864 is an apocalyptic number.

It is an amenable number.

448394864 is a deficient number, since it is larger than the sum of its proper divisors (420370216).

448394864 is a wasteful number, since it uses less digits than its factorization.

448394864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28024687 (or 28024681 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 50.

The square root of 448394864 is about 21175.3362192906. The cubic root of 448394864 is about 765.3972129446.

The spelling of 448394864 in words is "four hundred forty-eight million, three hundred ninety-four thousand, eight hundred sixty-four".