449043985 has 24 divisors (see below), whose sum is σ = 593447040. Its totient is φ = 325945152.

The previous prime is 449043971. The next prime is 449044009. The reversal of 449043985 is 589340944.

It is not a de Polignac number, because 449043985 - 2⁵ = 449043953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45352 + ... + 54358.

It is an arithmetic number, because the mean of its divisors is an integer number (24726960).

Almost surely, 2^449043985 is an apocalyptic number.

It is an amenable number.

449043985 is a deficient number, since it is larger than the sum of its proper divisors (144403055).

449043985 is a wasteful number, since it uses less digits than its factorization.

449043985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097 (or 9084 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 449043985 is about 21190.6579652450. The cubic root of 449043985 is about 765.7663785232.

The spelling of 449043985 in words is "four hundred forty-nine million, forty-three thousand, nine hundred eighty-five".