4444404040445 has 16 divisors (see below), whose sum is σ = 5343710497200. Its totient is φ = 3548577177600.

The previous prime is 4444404040387. The next prime is 4444404040459. The reversal of 4444404040445 is 5440404044444.

It can be written as a sum of positive squares in 8 ways, for example, as 1237536102916 + 3206867937529 = 1112446^2 + 1790773^2 .

It is not a de Polignac number, because 4444404040445 - 2¹⁰ = 4444404039421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7897535 + ... + 8441555.

It is an arithmetic number, because the mean of its divisors is an integer number (333981906075).

Almost surely, 2^{4444404040445} is an apocalyptic number.

It is an amenable number.

4444404040445 is a deficient number, since it is larger than the sum of its proper divisors (899306456755).

4444404040445 is a wasteful number, since it uses less digits than its factorization.

4444404040445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547216.

The product of its (nonzero) digits is 1310720, while the sum is 41.

Adding to 4444404040445 its reverse (5440404044444), we get a palindrome (9884808084889).

The spelling of 4444404040445 in words is "four trillion, four hundred forty-four billion, four hundred four million, forty thousand, four hundred forty-five".