449846868 has 12 divisors (see below), whose sum is σ = 1049642720. Its totient is φ = 149948952.

The previous prime is 449846861. The next prime is 449846893. The reversal of 449846868 is 868648944.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449846861) by changing a digit.

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, 18743608 + ... + 18743631.

Almost surely, 2^449846868 is an apocalyptic number.

It is an amenable number.

449846868 is an abundant number, since it is smaller than the sum of its proper divisors (599795852).

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

449846868 is a wasteful number, since it uses less digits than its factorization.

449846868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37487246 (or 37487244 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 57.

The square root of 449846868 is about 21209.5937726303. The cubic root of 449846868 is about 766.2224992015. Note that the first 3 decimals are identical.

The spelling of 449846868 in words is "four hundred forty-nine million, eight hundred forty-six thousand, eight hundred sixty-eight".