449838816 has 72 divisors (see below), whose sum is σ = 1373629320. Its totient is φ = 128524032.

The previous prime is 449838793. The next prime is 449838881. The reversal of 449838816 is 618838944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43111 + ... + 52518.

It is an arithmetic number, because the mean of its divisors is an integer number (19078185).

Almost surely, 2^449838816 is an apocalyptic number.

It is an amenable number.

449838816 is an abundant number, since it is smaller than the sum of its proper divisors (923790504).

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

449838816 is a wasteful number, since it uses less digits than its factorization.

449838816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95656 (or 95641 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 449838816 is about 21209.4039520209. The cubic root of 449838816 is about 766.2179275270.

The spelling of 449838816 in words is "four hundred forty-nine million, eight hundred thirty-eight thousand, eight hundred sixteen".