448686261 has 12 divisors (see below), whose sum is σ = 648311040. Its totient is φ = 299027880.

The previous prime is 448686241. The next prime is 448686307. The reversal of 448686261 is 162686844.

It is not a de Polignac number, because 448686261 - 2⁹ = 448685749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448686211) 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 11 ways as a sum of consecutive naturals, for example, 31980 + ... + 43818.

It is an arithmetic number, because the mean of its divisors is an integer number (54025920).

Almost surely, 2^448686261 is an apocalyptic number.

It is an amenable number.

448686261 is a deficient number, since it is larger than the sum of its proper divisors (199624779).

448686261 is a wasteful number, since it uses less digits than its factorization.

448686261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16056 (or 16053 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 448686261 is about 21182.2156773082. The cubic root of 448686261 is about 765.5629791571.

The spelling of 448686261 in words is "four hundred forty-eight million, six hundred eighty-six thousand, two hundred sixty-one".