448216266 has 8 divisors (see below), whose sum is σ = 896432544. Its totient is φ = 149405420.

The previous prime is 448216247. The next prime is 448216297. The reversal of 448216266 is 662612844.

It is a sphenic number, since it is the product of 3 distinct primes.

448216266 is an admirable number.

It is a super-2 number, since 2×448216266² = 401795642213965512, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37351350 + ... + 37351361.

It is an arithmetic number, because the mean of its divisors is an integer number (112054068).

Almost surely, 2^448216266 is an apocalyptic number.

448216266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

448216266 is a wasteful number, since it uses less digits than its factorization.

448216266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74702716.

The product of its digits is 110592, while the sum is 39.

The square root of 448216266 is about 21171.1186761588. The cubic root of 448216266 is about 765.2955788897.

The spelling of 448216266 in words is "four hundred forty-eight million, two hundred sixteen thousand, two hundred sixty-six".