440001441431 has 4 divisors (see below), whose sum is σ = 446568627192. Its totient is φ = 433434255672.

The previous prime is 440001441403. The next prime is 440001441437. The reversal of 440001441431 is 134144100044.

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

It is a cyclic number.

It is not a de Polignac number, because 440001441431 - 2¹⁴ = 440001425047 is a prime.

It is a super-2 number, since 2×440001441431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440001441431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440001441437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283592780 + ... + 3283592913.

It is an arithmetic number, because the mean of its divisors is an integer number (111642156798).

Almost surely, 2^440001441431 is an apocalyptic number.

440001441431 is a deficient number, since it is larger than the sum of its proper divisors (6567185761).

440001441431 is an equidigital number, since it uses as much as digits as its factorization.

440001441431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567185760.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 440001441431 its reverse (134144100044), we get a palindrome (574145541475).

The spelling of 440001441431 in words is "four hundred forty billion, one million, four hundred forty-one thousand, four hundred thirty-one".