449357805 has 24 divisors (see below), whose sum is σ = 838802328. Its totient is φ = 221222016.

The previous prime is 449357789. The next prime is 449357833. The reversal of 449357805 is 508753944.

It can be written as a sum of positive squares in 4 ways, for example, as 2601 + 449355204 = 51^2 + 21198^2 .

It is not a de Polignac number, because 449357805 - 2⁴ = 449357789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 383482 + ... + 384651.

It is an arithmetic number, because the mean of its divisors is an integer number (34950097).

Almost surely, 2^449357805 is an apocalyptic number.

449357805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449357805 is a deficient number, since it is larger than the sum of its proper divisors (389444523).

449357805 is a wasteful number, since it uses less digits than its factorization.

449357805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768157 (or 768154 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 449357805 is about 21198.0613500386. The cubic root of 449357805 is about 765.9447254504.

The spelling of 449357805 in words is "four hundred forty-nine million, three hundred fifty-seven thousand, eight hundred five".