449085644 has 24 divisors (see below), whose sum is σ = 899437728. Its totient is φ = 192193920.

The previous prime is 449085643. The next prime is 449085671. The reversal of 449085644 is 446580944.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 449085595 and 449085604.

It is not an unprimeable number, because it can be changed into a prime (449085641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9584 + ... + 31464.

It is an arithmetic number, because the mean of its divisors is an integer number (37476572).

Almost surely, 2^449085644 is an apocalyptic number.

It is an amenable number.

449085644 is an abundant number, since it is smaller than the sum of its proper divisors (450352084).

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

449085644 is a wasteful number, since it uses less digits than its factorization.

449085644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22625 (or 22623 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 449085644 is about 21191.6408991848. The cubic root of 449085644 is about 765.7900585160.

The spelling of 449085644 in words is "four hundred forty-nine million, eighty-five thousand, six hundred forty-four".