449278272 has 112 divisors (see below), whose sum is σ = 1356685120. Its totient is φ = 145691136.

The previous prime is 449278267. The next prime is 449278283. The reversal of 449278272 is 272872944.

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 15 ways as a sum of consecutive naturals, for example, 60423 + ... + 67449.

It is an arithmetic number, because the mean of its divisors is an integer number (12113260).

Almost surely, 2^449278272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449278272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678342560).

449278272 is an abundant number, since it is smaller than the sum of its proper divisors (907406848).

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

449278272 is a wasteful number, since it uses less digits than its factorization.

449278272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085 (or 7069 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 449278272 is about 21196.1853171744. The cubic root of 449278272 is about 765.8995339382.

The spelling of 449278272 in words is "four hundred forty-nine million, two hundred seventy-eight thousand, two hundred seventy-two".