444211440431 has 8 divisors (see below), whose sum is σ = 491419571328. Its totient is φ = 398140855000.

The previous prime is 444211440419. The next prime is 444211440473. The reversal of 444211440431 is 134044112444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444211440431 - 2¹⁴ = 444211424047 is a prime.

It is a super-2 number, since 2×444211440431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444211442431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284385545 + ... + 284387106.

It is an arithmetic number, because the mean of its divisors is an integer number (61427446416).

Almost surely, 2^444211440431 is an apocalyptic number.

444211440431 is a deficient number, since it is larger than the sum of its proper divisors (47208130897).

444211440431 is a wasteful number, since it uses less digits than its factorization.

444211440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568772733.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 444211440431 its reverse (134044112444), we get a palindrome (578255552875).

The spelling of 444211440431 in words is "four hundred forty-four billion, two hundred eleven million, four hundred forty thousand, four hundred thirty-one".