449822018 has 16 divisors (see below), whose sum is σ = 687173760. Its totient is φ = 220775376.

The previous prime is 449821993. The next prime is 449822027. The reversal of 449822018 is 810228944.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91655 + ... + 96437.

It is an arithmetic number, because the mean of its divisors is an integer number (42948360).

Almost surely, 2^449822018 is an apocalyptic number.

449822018 is a deficient number, since it is larger than the sum of its proper divisors (237351742).

449822018 is a wasteful number, since it uses less digits than its factorization.

449822018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 449822018 is about 21209.0079447390. The cubic root of 449822018 is about 766.2083899708.

The spelling of 449822018 in words is "four hundred forty-nine million, eight hundred twenty-two thousand, eighteen".