449638182 has 64 divisors (see below), whose sum is σ = 1152714240. Its totient is φ = 127255968.

The previous prime is 449638177. The next prime is 449638183. The reversal of 449638182 is 281836944.

It is a happy number.

449638182 is a `hidden beast` number, since 4 + 4 + 9 + 638 + 1 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449638183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34888 + ... + 46004.

It is an arithmetic number, because the mean of its divisors is an integer number (18011160).

Almost surely, 2^449638182 is an apocalyptic number.

449638182 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 449638182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576357120).

449638182 is an abundant number, since it is smaller than the sum of its proper divisors (703076058).

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

449638182 is a wasteful number, since it uses less digits than its factorization.

449638182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11242 (or 11236 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 449638182 is about 21204.6735886219. The cubic root of 449638182 is about 766.1039961787.

The spelling of 449638182 in words is "four hundred forty-nine million, six hundred thirty-eight thousand, one hundred eighty-two".