444423324405 has 16 divisors (see below), whose sum is σ = 741993724800. Its totient is φ = 226720304448.

The previous prime is 444423324361. The next prime is 444423324419. The reversal of 444423324405 is 504423324444.

It is not a de Polignac number, because 444423324405 - 2⁶ = 444423324341 is a prime.

It is a super-3 number, since 3×444423324405³ (a number of 36 digits) contains 333 as substring.

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, 644091430 + ... + 644092119.

It is an arithmetic number, because the mean of its divisors is an integer number (46374607800).

Almost surely, 2^444423324405 is an apocalyptic number.

It is an amenable number.

444423324405 is a deficient number, since it is larger than the sum of its proper divisors (297570400395).

444423324405 is a wasteful number, since it uses less digits than its factorization.

444423324405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288183580.

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 444423324405 its sum of digits (39), we get a palindrome (444423324444).

Adding to 444423324405 its reverse (504423324444), we get a palindrome (948846648849).

The spelling of 444423324405 in words is "four hundred forty-four billion, four hundred twenty-three million, three hundred twenty-four thousand, four hundred five".