448681807 has 4 divisors (see below), whose sum is σ = 512779216. Its totient is φ = 384584400.

The previous prime is 448681777. The next prime is 448681811. The reversal of 448681807 is 708186844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448681807 - 2⁷ = 448681679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448681897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32048694 + ... + 32048707.

It is an arithmetic number, because the mean of its divisors is an integer number (128194804).

Almost surely, 2^448681807 is an apocalyptic number.

448681807 is a deficient number, since it is larger than the sum of its proper divisors (64097409).

448681807 is an equidigital number, since it uses as much as digits as its factorization.

448681807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64097408.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 448681807 is about 21182.1105416812. The cubic root of 448681807 is about 765.5604459625.

The spelling of 448681807 in words is "four hundred forty-eight million, six hundred eighty-one thousand, eight hundred seven".