444324423405 has 16 divisors (see below), whose sum is σ = 714602600640. Its totient is φ = 235745184768.

The previous prime is 444324423391. The next prime is 444324423407. The reversal of 444324423405 is 504324423444.

It is a de Polignac number, because none of the positive numbers 2^k-444324423405 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444324423407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76737075 + ... + 76742864.

It is an arithmetic number, because the mean of its divisors is an integer number (44662662540).

Almost surely, 2^444324423405 is an apocalyptic number.

It is an amenable number.

444324423405 is a deficient number, since it is larger than the sum of its proper divisors (270278177235).

444324423405 is a wasteful number, since it uses less digits than its factorization.

444324423405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153480140.

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

Adding to 444324423405 its sum of digits (39), we get a palindrome (444324423444).

Adding to 444324423405 its reverse (504324423444), we get a palindrome (948648846849).

The spelling of 444324423405 in words is "four hundred forty-four billion, three hundred twenty-four million, four hundred twenty-three thousand, four hundred five".