449476144 has 40 divisors (see below), whose sum is σ = 943345872. Its totient is φ = 206234880.

The previous prime is 449476127. The next prime is 449476151. The reversal of 449476144 is 441674944.

It is a self number, because there is not a number n which added to its sum of digits gives 449476144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29739 + ... + 42229.

Almost surely, 2^449476144 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 449476144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471672936).

449476144 is an abundant number, since it is smaller than the sum of its proper divisors (493869728).

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

449476144 is a wasteful number, since it uses less digits than its factorization.

449476144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12685 (or 12679 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 449476144 is about 21200.8524356923. The cubic root of 449476144 is about 766.0119570835.

The spelling of 449476144 in words is "four hundred forty-nine million, four hundred seventy-six thousand, one hundred forty-four".