449479816 has 32 divisors (see below), whose sum is σ = 874575000. Its totient is φ = 216308736.

The previous prime is 449479801. The next prime is 449479829. The reversal of 449479816 is 618974944.

It can be written as a sum of positive squares in 4 ways, for example, as 205807716 + 243672100 = 14346^2 + 15610^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75310 + ... + 81058.

Almost surely, 2^449479816 is an apocalyptic number.

It is an amenable number.

449479816 is a deficient number, since it is larger than the sum of its proper divisors (425095184).

449479816 is a wasteful number, since it uses less digits than its factorization.

449479816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121 (or 6117 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 449479816 is about 21200.9390358069. The cubic root of 449479816 is about 766.0140430587.

The spelling of 449479816 in words is "four hundred forty-nine million, four hundred seventy-nine thousand, eight hundred sixteen".