440243301013 has 4 divisors (see below), whose sum is σ = 440463755340. Its totient is φ = 440022846688.

The previous prime is 440243300999. The next prime is 440243301097. The reversal of 440243301013 is 310103342044.

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 139213310769 + 301029990244 = 373113^2 + 548662^2 .

It is a cyclic number.

It is not a de Polignac number, because 440243301013 - 2⁹ = 440243300501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440243301713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110224168 + ... + 110228161.

It is an arithmetic number, because the mean of its divisors is an integer number (110115938835).

Almost surely, 2^440243301013 is an apocalyptic number.

It is an amenable number.

440243301013 is a deficient number, since it is larger than the sum of its proper divisors (220454327).

440243301013 is a wasteful number, since it uses less digits than its factorization.

440243301013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220454326.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 440243301013 its reverse (310103342044), we get a palindrome (750346643057).

The spelling of 440243301013 in words is "four hundred forty billion, two hundred forty-three million, three hundred one thousand, thirteen".