449143264 has 48 divisors (see below), whose sum is σ = 976999968. Its totient is φ = 202166272.

The previous prime is 449143229. The next prime is 449143291. The reversal of 449143264 is 462341944.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5437 + ... + 30460.

It is an arithmetic number, because the mean of its divisors is an integer number (20354166).

Almost surely, 2^449143264 is an apocalyptic number.

It is an amenable number.

449143264 is an abundant number, since it is smaller than the sum of its proper divisors (527856704).

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

449143264 is a wasteful number, since it uses less digits than its factorization.

449143264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35947 (or 35939 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 449143264 is about 21193.0003538904. Note that the first 3 decimals coincide. The cubic root of 449143264 is about 765.8228087177.

The spelling of 449143264 in words is "four hundred forty-nine million, one hundred forty-three thousand, two hundred sixty-four".