449399570 has 8 divisors (see below), whose sum is σ = 808919244. Its totient is φ = 179759824.

The previous prime is 449399563. The next prime is 449399581. The reversal of 449399570 is 75993944.

It can be written as a sum of positive squares in 2 ways, for example, as 417916249 + 31483321 = 20443^2 + 5611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 22469969 + ... + 22469988.

Almost surely, 2^449399570 is an apocalyptic number.

449399570 is a deficient number, since it is larger than the sum of its proper divisors (359519674).

449399570 is a wasteful number, since it uses less digits than its factorization.

449399570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44939964.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 449399570 is about 21199.0464408190. The cubic root of 449399570 is about 765.9684546406.

The spelling of 449399570 in words is "four hundred forty-nine million, three hundred ninety-nine thousand, five hundred seventy".