444423324445 has 4 divisors (see below), whose sum is σ = 533307989340. Its totient is φ = 355538659552.

The previous prime is 444423324431. The next prime is 444423324509. The reversal of 444423324445 is 544423324444.

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 327665801241 + 116757523204 = 572421^2 + 341698^2 .

It is a cyclic number.

It is not a de Polignac number, because 444423324445 - 2¹⁵ = 444423291677 is a prime.

It is a super-3 number, since 3×444423324445³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44442332440 + ... + 44442332449.

It is an arithmetic number, because the mean of its divisors is an integer number (133326997335).

Almost surely, 2^444423324445 is an apocalyptic number.

It is an amenable number.

444423324445 is a deficient number, since it is larger than the sum of its proper divisors (88884664895).

444423324445 is an equidigital number, since it uses as much as digits as its factorization.

444423324445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88884664894.

The product of its digits is 2949120, while the sum is 43.

Adding to 444423324445 its reverse (544423324444), we get a palindrome (988846648889).

Subtracting 444423324445 from its reverse (544423324444), we obtain a palindrome (99999999999).

The spelling of 444423324445 in words is "four hundred forty-four billion, four hundred twenty-three million, three hundred twenty-four thousand, four hundred forty-five".