449215448 has 32 divisors (see below), whose sum is σ = 920583360. Its totient is φ = 203803680.

The previous prime is 449215447. The next prime is 449215469. The reversal of 449215448 is 844512944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449215447) 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 7 ways as a sum of consecutive naturals, for example, 45011 + ... + 54077.

It is an arithmetic number, because the mean of its divisors is an integer number (28768230).

Almost surely, 2^449215448 is an apocalyptic number.

It is an amenable number.

449215448 is an abundant number, since it is smaller than the sum of its proper divisors (471367912).

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

449215448 is a wasteful number, since it uses less digits than its factorization.

449215448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9647 (or 9643 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 449215448 is about 21194.7033005890. The cubic root of 449215448 is about 765.8638328903.

The spelling of 449215448 in words is "four hundred forty-nine million, two hundred fifteen thousand, four hundred forty-eight".