440344240113 has 24 divisors (see below), whose sum is σ = 590413908000. Its totient is φ = 291926643840.

The previous prime is 440344240109. The next prime is 440344240129. The reversal of 440344240113 is 311042443044.

It is not a de Polignac number, because 440344240113 - 2² = 440344240109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440344240163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141089193 + ... + 141092313.

It is an arithmetic number, because the mean of its divisors is an integer number (24600579500).

Almost surely, 2^440344240113 is an apocalyptic number.

It is an amenable number.

440344240113 is a deficient number, since it is larger than the sum of its proper divisors (150069667887).

440344240113 is an equidigital number, since it uses as much as digits as its factorization.

440344240113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 440344240113 its reverse (311042443044), we get a palindrome (751386683157).

The spelling of 440344240113 in words is "four hundred forty billion, three hundred forty-four million, two hundred forty thousand, one hundred thirteen".