440423132313 has 8 divisors (see below), whose sum is σ = 598310670528. Its totient is φ = 288075507824.

The previous prime is 440423132287. The next prime is 440423132399. The reversal of 440423132313 is 313231324044.

It is a happy number.

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 440423132313 - 2⁶ = 440423132249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440423132713) 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 7 ways as a sum of consecutive naturals, for example, 1384978245 + ... + 1384978562.

It is an arithmetic number, because the mean of its divisors is an integer number (74788833816).

Almost surely, 2^440423132313 is an apocalyptic number.

It is an amenable number.

440423132313 is a deficient number, since it is larger than the sum of its proper divisors (157887538215).

440423132313 is a wasteful number, since it uses less digits than its factorization.

440423132313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769956863.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 440423132313 its reverse (313231324044), we get a palindrome (753654456357).

The spelling of 440423132313 in words is "four hundred forty billion, four hundred twenty-three million, one hundred thirty-two thousand, three hundred thirteen".