449492220 has 96 divisors (see below), whose sum is σ = 1459261440. Its totient is φ = 114649920.

The previous prime is 449492203. The next prime is 449492237. The reversal of 449492220 is 22294944.

It is an interprime number because it is at equal distance from previous prime (449492203) and next prime (449492237).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 5676 + ... + 30515.

It is an arithmetic number, because the mean of its divisors is an integer number (15200640).

Almost surely, 2^449492220 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 449492220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729630720).

449492220 is an abundant number, since it is smaller than the sum of its proper divisors (1009769220).

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

449492220 is a wasteful number, since it uses less digits than its factorization.

449492220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36232 (or 36224 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 449492220 is about 21201.2315680009. The cubic root of 449492220 is about 766.0210893898.

The spelling of 449492220 in words is "four hundred forty-nine million, four hundred ninety-two thousand, two hundred twenty".