441868648 has 16 divisors (see below), whose sum is σ = 892234980. Its totient is φ = 203939328.

The previous prime is 441868639. The next prime is 441868649. The reversal of 441868648 is 846868144.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 439237764 + 2630884 = 20958^2 + 1622^2 .

It is not an unprimeable number, because it can be changed into a prime (441868649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2124265 + ... + 2124472.

Almost surely, 2^441868648 is an apocalyptic number.

It is an amenable number.

441868648 is an abundant number, since it is smaller than the sum of its proper divisors (450366332).

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

441868648 is a wasteful number, since it uses less digits than its factorization.

441868648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248756 (or 4248752 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 49.

The square root of 441868648 is about 21020.6719207546. The cubic root of 441868648 is about 761.6656956502.

The spelling of 441868648 in words is "four hundred forty-one million, eight hundred sixty-eight thousand, six hundred forty-eight".