449186544 has 60 divisors (see below), whose sum is σ = 1260745200. Its totient is φ = 149294592.

The previous prime is 449186537. The next prime is 449186579. The reversal of 449186544 is 445681944.

It is a self number, because there is not a number n which added to its sum of digits gives 449186544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47352 + ... + 56040.

It is an arithmetic number, because the mean of its divisors is an integer number (21012420).

Almost surely, 2^449186544 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 449186544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630372600).

449186544 is an abundant number, since it is smaller than the sum of its proper divisors (811558656).

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

449186544 is a wasteful number, since it uses less digits than its factorization.

449186544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062 (or 9053 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 449186544 is about 21194.0214211461. The cubic root of 449186544 is about 765.8474064717.

The spelling of 449186544 in words is "four hundred forty-nine million, one hundred eighty-six thousand, five hundred forty-four".