449430666 has 32 divisors (see below), whose sum is σ = 952751808. Its totient is φ = 140847360.

The previous prime is 449430647. The next prime is 449430679. The reversal of 449430666 is 666034944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129976 + ... + 133388.

It is an arithmetic number, because the mean of its divisors is an integer number (29773494).

Almost surely, 2^449430666 is an apocalyptic number.

449430666 is an abundant number, since it is smaller than the sum of its proper divisors (503321142).

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

449430666 is a wasteful number, since it uses less digits than its factorization.

449430666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726.

The product of its (nonzero) digits is 373248, while the sum is 42.

The square root of 449430666 is about 21199.7798573476. The cubic root of 449430666 is about 765.9861211800.

The spelling of 449430666 in words is "four hundred forty-nine million, four hundred thirty thousand, six hundred sixty-six".