449493944 has 16 divisors (see below), whose sum is σ = 887159400. Its totient is φ = 212918112.

The previous prime is 449493943. The next prime is 449493953. The reversal of 449493944 is 449394944.

It is a junction number, because it is equal to n+sod(n) for n = 449493892 and 449493901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449493943) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1478447 + ... + 1478750.

Almost surely, 2^449493944 is an apocalyptic number.

It is an amenable number.

449493944 is a deficient number, since it is larger than the sum of its proper divisors (437665456).

449493944 is a wasteful number, since it uses less digits than its factorization.

449493944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957222 (or 2957218 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 50.

The square root of 449493944 is about 21201.2722259774. The cubic root of 449493944 is about 766.0220687309.

The spelling of 449493944 in words is "four hundred forty-nine million, four hundred ninety-three thousand, nine hundred forty-four".