449180 has 24 divisors (see below), whose sum is σ = 970368. Its totient is φ = 174528.

The previous prime is 449173. The next prime is 449201. The reversal of 449180 is 81944.

It is a congruent number.

It is an unprimeable number.

449180 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 437 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (40432).

2⁴⁴⁹¹⁸⁰ 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 449180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485184).

449180 is an abundant number, since it is smaller than the sum of its proper divisors (521188).

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

449180 is a wasteful number, since it uses less digits than its factorization.

449180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 449180 is about 670.2089226502. The cubic root of 449180 is about 76.5843687356.

Subtracting from 449180 its reverse (81944), we obtain a square (367236 = 606²).

The spelling of 449180 in words is "four hundred forty-nine thousand, one hundred eighty".