449446805 has 18 divisors (see below), whose sum is σ = 570359286. Its totient is φ = 339950736.

The previous prime is 449446771. The next prime is 449446813. The reversal of 449446805 is 508644944.

It can be written as a sum of positive squares in only one way, i.e., 359557444 + 89889361 = 18962^2 + 9481^2 .

It is not a de Polignac number, because 449446805 - 2⁶ = 449446741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 900446 + ... + 900944.

It is an arithmetic number, because the mean of its divisors is an integer number (31686627).

Almost surely, 2^449446805 is an apocalyptic number.

It is an amenable number.

449446805 is a deficient number, since it is larger than the sum of its proper divisors (120912481).

449446805 is an frugal number, since it uses more digits than its factorization.

449446805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 449446805 is about 21200.1604946755. The cubic root of 449446805 is about 765.9952898928.

The spelling of 449446805 in words is "four hundred forty-nine million, four hundred forty-six thousand, eight hundred five".