441801999 has 16 divisors (see below), whose sum is σ = 654935040. Its totient is φ = 294348600.

The previous prime is 441801959. The next prime is 441802033. The reversal of 441801999 is 999108144.

It is not a de Polignac number, because 441801999 - 2⁹ = 441801487 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441801959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48484 + ... + 56870.

It is an arithmetic number, because the mean of its divisors is an integer number (40933440).

Almost surely, 2^441801999 is an apocalyptic number.

441801999 is a deficient number, since it is larger than the sum of its proper divisors (213133041).

441801999 is a wasteful number, since it uses less digits than its factorization.

441801999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10347 (or 10341 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 441801999 is about 21019.0865405707. The cubic root of 441801999 is about 761.6273985909.

The spelling of 441801999 in words is "four hundred forty-one million, eight hundred one thousand, nine hundred ninety-nine".