449241220 has 24 divisors (see below), whose sum is σ = 946220184. Its totient is φ = 179160576.

The previous prime is 449241151. The next prime is 449241239. The reversal of 449241220 is 22142944.

It can be written as a sum of positive squares in 4 ways, for example, as 12264004 + 436977216 = 3502^2 + 20904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26587 + ... + 40066.

It is an arithmetic number, because the mean of its divisors is an integer number (39425841).

Almost surely, 2^449241220 is an apocalyptic number.

It is an amenable number.

449241220 is an abundant number, since it is smaller than the sum of its proper divisors (496978964).

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

449241220 is a wasteful number, since it uses less digits than its factorization.

449241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66999 (or 66997 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 449241220 is about 21195.3112739587. The cubic root of 449241220 is about 765.8784787693.

The spelling of 449241220 in words is "four hundred forty-nine million, two hundred forty-one thousand, two hundred twenty".