449822168 has 16 divisors (see below), whose sum is σ = 844966680. Its totient is φ = 224497728.

The previous prime is 449822147. The next prime is 449822171. The reversal of 449822168 is 861228944.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47021 + ... + 55772.

Almost surely, 2^449822168 is an apocalyptic number.

It is an amenable number.

449822168 is a deficient number, since it is larger than the sum of its proper divisors (395144512).

449822168 is a wasteful number, since it uses less digits than its factorization.

449822168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103346 (or 103342 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 449822168 is about 21209.0114809720. The cubic root of 449822168 is about 766.2084751387.

The spelling of 449822168 in words is "four hundred forty-nine million, eight hundred twenty-two thousand, one hundred sixty-eight".