440303320013 has 8 divisors (see below), whose sum is σ = 445942222080. Its totient is φ = 434666054160.

The previous prime is 440303320001. The next prime is 440303320033. The reversal of 440303320013 is 310023303044.

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 440303320013 - 2⁴ = 440303319997 is a prime.

It is a super-2 number, since 2×440303320013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440303320033) 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, 137231 + ... + 948387.

It is an arithmetic number, because the mean of its divisors is an integer number (55742777760).

Almost surely, 2^440303320013 is an apocalyptic number.

It is an amenable number.

440303320013 is a deficient number, since it is larger than the sum of its proper divisors (5638902067).

440303320013 is an equidigital number, since it uses as much as digits as its factorization.

440303320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818107.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 440303320013 its reverse (310023303044), we get a palindrome (750326623057).

The spelling of 440303320013 in words is "four hundred forty billion, three hundred three million, three hundred twenty thousand, thirteen".