444982478389 has 8 divisors (see below), whose sum is σ = 446498015040. Its totient is φ = 443467371456.

The previous prime is 444982478333. The next prime is 444982478399. The reversal of 444982478389 is 983874289444.

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

It is a cyclic number.

It is not a de Polignac number, because 444982478389 - 2²⁵ = 444948923957 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 (444982478399) 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, 2039997 + ... + 2247565.

It is an arithmetic number, because the mean of its divisors is an integer number (55812251880).

Almost surely, 2^444982478389 is an apocalyptic number.

It is an amenable number.

444982478389 is a deficient number, since it is larger than the sum of its proper divisors (1515536651).

444982478389 is a wasteful number, since it uses less digits than its factorization.

444982478389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214859.

The product of its digits is 445906944, while the sum is 70.

The spelling of 444982478389 in words is "four hundred forty-four billion, nine hundred eighty-two million, four hundred seventy-eight thousand, three hundred eighty-nine".