449328168 has 32 divisors (see below), whose sum is σ = 1248134400. Its totient is φ = 149775984.

The previous prime is 449328101. The next prime is 449328179. The reversal of 449328168 is 861823944.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039896 + ... + 1040327.

It is an arithmetic number, because the mean of its divisors is an integer number (39004200).

Almost surely, 2^449328168 is an apocalyptic number.

It is an amenable number.

449328168 is an abundant number, since it is smaller than the sum of its proper divisors (798806232).

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

449328168 is a wasteful number, since it uses less digits than its factorization.

449328168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080238 (or 2080228 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 449328168 is about 21197.3622887377. The cubic root of 449328168 is about 765.9278860093.

The spelling of 449328168 in words is "four hundred forty-nine million, three hundred twenty-eight thousand, one hundred sixty-eight".