449563478 has 32 divisors (see below), whose sum is σ = 831726336. Its totient is φ = 177471648.

The previous prime is 449563469. The next prime is 449563489. The reversal of 449563478 is 874365944.

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 15 ways as a sum of consecutive naturals, for example, 92825 + ... + 97547.

It is an arithmetic number, because the mean of its divisors is an integer number (25991448).

Almost surely, 2^449563478 is an apocalyptic number.

449563478 is a deficient number, since it is larger than the sum of its proper divisors (382162858).

449563478 is a wasteful number, since it uses less digits than its factorization.

449563478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268.

The product of its digits is 2903040, while the sum is 50.

The square root of 449563478 is about 21202.9120169848. The cubic root of 449563478 is about 766.0615663577.

The spelling of 449563478 in words is "four hundred forty-nine million, five hundred sixty-three thousand, four hundred seventy-eight".