448666844 has 12 divisors (see below), whose sum is σ = 810495168. Its totient is φ = 217096800.

The previous prime is 448666837. The next prime is 448666849.

448666844 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 448666792 and 448666801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448666849) 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 in 3 ways as a sum of consecutive naturals, for example, 1809017 + ... + 1809264.

It is an arithmetic number, because the mean of its divisors is an integer number (67541264).

Almost surely, 2^448666844 is an apocalyptic number.

It is an amenable number.

448666844 is a deficient number, since it is larger than the sum of its proper divisors (361828324).

448666844 is a wasteful number, since it uses less digits than its factorization.

448666844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618316 (or 3618314 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 50.

The square root of 448666844 is about 21181.7573397487. The cubic root of 448666844 is about 765.5519356937.

The spelling of 448666844 in words is "four hundred forty-eight million, six hundred sixty-six thousand, eight hundred forty-four".