449483180 has 48 divisors (see below), whose sum is σ = 988333920. Its totient is φ = 171483648.

The previous prime is 449483161. The next prime is 449483189. The reversal of 449483180 is 81384944.

It is not an unprimeable number, because it can be changed into a prime (449483189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43472 + ... + 52808.

It is an arithmetic number, because the mean of its divisors is an integer number (20590290).

Almost surely, 2^449483180 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 449483180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494166960).

449483180 is an abundant number, since it is smaller than the sum of its proper divisors (538850740).

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

449483180 is a wasteful number, since it uses less digits than its factorization.

449483180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458 (or 9456 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 449483180 is about 21201.0183717670. The cubic root of 449483180 is about 766.0159540565.

The spelling of 449483180 in words is "four hundred forty-nine million, four hundred eighty-three thousand, one hundred eighty".