449809892 has 12 divisors (see below), whose sum is σ = 899619840. Its totient is φ = 192775656.

The previous prime is 449809883. The next prime is 449809909. The reversal of 449809892 is 298908944.

449809892 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 8032292 + ... + 8032347.

It is an arithmetic number, because the mean of its divisors is an integer number (74968320).

Almost surely, 2^449809892 is an apocalyptic number.

It is an amenable number.

449809892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

449809892 is a wasteful number, since it uses less digits than its factorization.

449809892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16064650 (or 16064648 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 449809892 is about 21208.7220737130. The cubic root of 449809892 is about 766.2015049318.

It can be divided in two parts, 44980 and 9892, that added together give a cube (54872 = 38³).

The spelling of 449809892 in words is "four hundred forty-nine million, eight hundred nine thousand, eight hundred ninety-two".