449223630 has 32 divisors (see below), whose sum is σ = 1115316000. Its totient is φ = 115661952.

The previous prime is 449223617. The next prime is 449223637. The reversal of 449223630 is 36322944.

It is a junction number, because it is equal to n+sod(n) for n = 449223591 and 449223600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449223637) 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 15 ways as a sum of consecutive naturals, for example, 257305 + ... + 259044.

It is an arithmetic number, because the mean of its divisors is an integer number (34853625).

Almost surely, 2^449223630 is an apocalyptic number.

449223630 is an abundant number, since it is smaller than the sum of its proper divisors (666092370).

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

449223630 is a wasteful number, since it uses less digits than its factorization.

449223630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516388.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 449223630 is about 21194.8963196332. The cubic root of 449223630 is about 765.8684826709.

The spelling of 449223630 in words is "four hundred forty-nine million, two hundred twenty-three thousand, six hundred thirty".