404448849 has 32 divisors (see below), whose sum is σ = 696026880. Its totient is φ = 227318400.

The previous prime is 404448833. The next prime is 404448871. The reversal of 404448849 is 948844404.

It is not a de Polignac number, because 404448849 - 2⁴ = 404448833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404448829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6012 + ... + 29069.

It is an arithmetic number, because the mean of its divisors is an integer number (21750840).

Almost surely, 2^404448849 is an apocalyptic number.

It is an amenable number.

404448849 is a deficient number, since it is larger than the sum of its proper divisors (291578031).

404448849 is a wasteful number, since it uses less digits than its factorization.

404448849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35158 (or 35152 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 404448849 is about 20110.9136788958. The cubic root of 404448849 is about 739.5278513594.

The spelling of 404448849 in words is "four hundred four million, four hundred forty-eight thousand, eight hundred forty-nine".