449279218 has 32 divisors (see below), whose sum is σ = 711659520. Its totient is φ = 212440080.

The previous prime is 449279203. The next prime is 449279269. The reversal of 449279218 is 812972944.

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 15 ways as a sum of consecutive naturals, for example, 961821 + ... + 962287.

It is an arithmetic number, because the mean of its divisors is an integer number (22239360).

Almost surely, 2^449279218 is an apocalyptic number.

449279218 is a deficient number, since it is larger than the sum of its proper divisors (262380302).

449279218 is a wasteful number, since it uses less digits than its factorization.

449279218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822.

The product of its digits is 290304, while the sum is 46.

The square root of 449279218 is about 21196.2076324988. The cubic root of 449279218 is about 765.9000714970.

It can be divided in two parts, 44927 and 9218, that added together give a palindrome (54145).

The spelling of 449279218 in words is "four hundred forty-nine million, two hundred seventy-nine thousand, two hundred eighteen".