444400444039 has 4 divisors (see below), whose sum is σ = 444801166920. Its totient is φ = 443999721160.

The previous prime is 444400444003. The next prime is 444400444073. The reversal of 444400444039 is 930444004444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444400444039 - 2¹³ = 444400435847 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444400443992 and 444400444010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444400444079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200359777 + ... + 200361994.

It is an arithmetic number, because the mean of its divisors is an integer number (111200291730).

Almost surely, 2^444400444039 is an apocalyptic number.

444400444039 is a deficient number, since it is larger than the sum of its proper divisors (400722881).

444400444039 is a wasteful number, since it uses less digits than its factorization.

444400444039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400722880.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 444400444039 in words is "four hundred forty-four billion, four hundred million, four hundred forty-four thousand, thirty-nine".