449459856 has 30 divisors (see below), whose sum is σ = 1257863750. Its totient is φ = 149819904.

The previous prime is 449459837. The next prime is 449459867. The reversal of 449459856 is 658954944.

449459856 is a `hidden beast` number, since 4 + 49 + 4 + 598 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 387302400 + 62157456 = 19680^2 + 7884^2 .

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 5 ways as a sum of consecutive naturals, for example, 1560481 + ... + 1560768.

Almost surely, 2^449459856 is an apocalyptic number.

It is an amenable number.

449459856 is an abundant number, since it is smaller than the sum of its proper divisors (808403894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449459856 is a wasteful number, since it uses less digits than its factorization.

449459856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121263 (or 3121254 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 449459856 is about 21200.4682967146. The cubic root of 449459856 is about 766.0027041241.

The spelling of 449459856 in words is "four hundred forty-nine million, four hundred fifty-nine thousand, eight hundred fifty-six".