448506666 has 32 divisors (see below), whose sum is σ = 1049140800. Its totient is φ = 141633360.

The previous prime is 448506661. The next prime is 448506673. The reversal of 448506666 is 666605844.

It is not an unprimeable number, because it can be changed into a prime (448506661) 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, 217545 + ... + 219596.

It is an arithmetic number, because the mean of its divisors is an integer number (32785650).

Almost surely, 2^448506666 is an apocalyptic number.

448506666 is an abundant number, since it is smaller than the sum of its proper divisors (600634134).

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

448506666 is a wasteful number, since it uses less digits than its factorization.

448506666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437171 (or 437165 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 448506666 is about 21177.9759656111. The cubic root of 448506666 is about 765.4608219307.

The spelling of 448506666 in words is "four hundred forty-eight million, five hundred six thousand, six hundred sixty-six".