440310242043031 has 4 divisors (see below), whose sum is σ = 440315574888592. Its totient is φ = 440304909197472.

The previous prime is 440310242042987. The next prime is 440310242043083. The reversal of 440310242043031 is 130340242013044.

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 440310242043031 - 2⁷ = 440310242042903 is a prime.

It is a super-2 number, since 2×440310242043031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440310242042984 and 440310242043002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440310342043031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666298930 + ... + 2666464063.

It is an arithmetic number, because the mean of its divisors is an integer number (110078893722148).

Almost surely, 2^{440310242043031} is an apocalyptic number.

440310242043031 is a deficient number, since it is larger than the sum of its proper divisors (5332845561).

440310242043031 is an equidigital number, since it uses as much as digits as its factorization.

440310242043031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332845560.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 440310242043031 its reverse (130340242013044), we get a palindrome (570650484056075).

The spelling of 440310242043031 in words is "four hundred forty trillion, three hundred ten billion, two hundred forty-two million, forty-three thousand, thirty-one".