449458144 has 48 divisors (see below), whose sum is σ = 897232896. Its totient is φ = 221616000.

The previous prime is 449458117. The next prime is 449458159. The reversal of 449458144 is 441854944.

It is a self number, because there is not a number n which added to its sum of digits gives 449458144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922669 + ... + 923155.

It is an arithmetic number, because the mean of its divisors is an integer number (18692352).

Almost surely, 2^449458144 is an apocalyptic number.

It is an amenable number.

449458144 is a deficient number, since it is larger than the sum of its proper divisors (447774752).

449458144 is a wasteful number, since it uses less digits than its factorization.

449458144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 831 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 449458144 is about 21200.4279202095. The cubic root of 449458144 is about 766.0017315506.

The spelling of 449458144 in words is "four hundred forty-nine million, four hundred fifty-eight thousand, one hundred forty-four".