440231130013 has 8 divisors (see below), whose sum is σ = 452821681368. Its totient is φ = 427677021504.

The previous prime is 440231129981. The next prime is 440231130029. The reversal of 440231130013 is 310031132044.

It can be written as a sum of positive squares in 4 ways, for example, as 178305196644 + 261925933369 = 422262^2 + 511787^2 .

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 440231130013 - 2⁵ = 440231129981 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 (440231137013) 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, 9086206 + ... + 9134527.

It is an arithmetic number, because the mean of its divisors is an integer number (56602710171).

Almost surely, 2^440231130013 is an apocalyptic number.

It is an amenable number.

440231130013 is a deficient number, since it is larger than the sum of its proper divisors (12590551355).

440231130013 is a wasteful number, since it uses less digits than its factorization.

440231130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18221423.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 440231130013 its reverse (310031132044), we get a palindrome (750262262057).

The spelling of 440231130013 in words is "four hundred forty billion, two hundred thirty-one million, one hundred thirty thousand, thirteen".