441819985 has 8 divisors (see below), whose sum is σ = 530519616. Its totient is φ = 353232240.

The previous prime is 441819947. The next prime is 441820003. The reversal of 441819985 is 589918144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 441819985 - 2¹⁵ = 441787217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19021 + ... + 35290.

It is an arithmetic number, because the mean of its divisors is an integer number (66314952).

Almost surely, 2^441819985 is an apocalyptic number.

It is an amenable number.

441819985 is a deficient number, since it is larger than the sum of its proper divisors (88699631).

441819985 is a wasteful number, since it uses less digits than its factorization.

441819985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55943.

The product of its digits is 414720, while the sum is 49.

The square root of 441819985 is about 21019.5143854467. The cubic root of 441819985 is about 761.6377338727.

The spelling of 441819985 in words is "four hundred forty-one million, eight hundred nineteen thousand, nine hundred eighty-five".