449589856 has 48 divisors (see below), whose sum is σ = 934839360. Its totient is φ = 212250240.

The previous prime is 449589851. The next prime is 449589863. The reversal of 449589856 is 658985944.

It is a self number, because there is not a number n which added to its sum of digits gives 449589856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449589851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209911 + ... + 212041.

It is an arithmetic number, because the mean of its divisors is an integer number (19475820).

Almost surely, 2^449589856 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 449589856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467419680).

449589856 is an abundant number, since it is smaller than the sum of its proper divisors (485249504).

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

449589856 is a wasteful number, since it uses less digits than its factorization.

449589856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2499 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 58.

The square root of 449589856 is about 21203.5340450596. The cubic root of 449589856 is about 766.0765488743.

The spelling of 449589856 in words is "four hundred forty-nine million, five hundred eighty-nine thousand, eight hundred fifty-six".