449448064 has 96 divisors (see below), whose sum is σ = 985564800. Its totient is φ = 204033024.

The previous prime is 449448053. The next prime is 449448073. The reversal of 449448064 is 460844944.

It is a self number, because there is not a number n which added to its sum of digits gives 449448064.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1708797 + ... + 1709059.

It is an arithmetic number, because the mean of its divisors is an integer number (10266300).

Almost surely, 2^449448064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449448064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492782400).

449448064 is an abundant number, since it is smaller than the sum of its proper divisors (536116736).

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

449448064 is a wasteful number, since it uses less digits than its factorization.

449448064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 449448064 is about 21200.1901878261. The cubic root of 449448064 is about 765.9960051329.

The spelling of 449448064 in words is "four hundred forty-nine million, four hundred forty-eight thousand, sixty-four".