44444844445 has 4 divisors (see below), whose sum is σ = 53333813340. Its totient is φ = 35555875552.

The previous prime is 44444844439. The next prime is 44444844449. The reversal of 44444844445 is 54444844444.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24417500121 + 20027344324 = 156261^2 + 141518^2 .

It is a cyclic number.

It is not a de Polignac number, because 44444844445 - 2⁵ = 44444844413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444844449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4444484440 + ... + 4444484449.

It is an arithmetic number, because the mean of its divisors is an integer number (13333453335).

Almost surely, 2^44444844445 is an apocalyptic number.

It is an amenable number.

44444844445 is a deficient number, since it is larger than the sum of its proper divisors (8888968895).

44444844445 is an equidigital number, since it uses as much as digits as its factorization.

44444844445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888968894.

The product of its digits is 10485760, while the sum is 49.

Subtracting 44444844445 from its reverse (54444844444), we obtain a palindrome (9999999999).

The spelling of 44444844445 in words is "forty-four billion, four hundred forty-four million, eight hundred forty-four thousand, four hundred forty-five".