4441871868 has 24 divisors (see below), whose sum is σ = 11844991872. Its totient is φ = 1269106224.

The previous prime is 4441871839. The next prime is 4441871869. The reversal of 4441871868 is 8681781444.

It is a self number, because there is not a number n which added to its sum of digits gives 4441871868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441871869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26439630 + ... + 26439797.

It is an arithmetic number, because the mean of its divisors is an integer number (493541328).

Almost surely, 2^4441871868 is an apocalyptic number.

It is an amenable number.

4441871868 is an abundant number, since it is smaller than the sum of its proper divisors (7403120004).

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

4441871868 is a wasteful number, since it uses less digits than its factorization.

4441871868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52879441 (or 52879439 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 51.

The square root of 4441871868 is about 66647.3695504931. The cubic root of 4441871868 is about 1643.8240957062.

The spelling of 4441871868 in words is "four billion, four hundred forty-one million, eight hundred seventy-one thousand, eight hundred sixty-eight".