448144886 has 12 divisors (see below), whose sum is σ = 781967268. Its totient is φ = 192062052.

The previous prime is 448144877. The next prime is 448144891. The reversal of 448144886 is 688441844.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 448144886.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 2286356 + ... + 2286551.

It is an arithmetic number, because the mean of its divisors is an integer number (65163939).

Almost surely, 2^448144886 is an apocalyptic number.

448144886 is a deficient number, since it is larger than the sum of its proper divisors (333822382).

448144886 is a wasteful number, since it uses less digits than its factorization.

448144886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572923 (or 4572916 counting only the distinct ones).

The product of its digits is 786432, while the sum is 47.

The square root of 448144886 is about 21169.4328218779. The cubic root of 448144886 is about 765.2549514050.

The spelling of 448144886 in words is "four hundred forty-eight million, one hundred forty-four thousand, eight hundred eighty-six".