440443022013 has 10 divisors (see below), whose sum is σ = 657945749054. Its totient is φ = 293628681288.

The previous prime is 440443021979. The next prime is 440443022027. The reversal of 440443022013 is 310220344044.

It is a happy number.

440443022013 is a `hidden beast` number, since 4 + 4 + 0 + 4 + 430 + 220 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 355428207684 + 85014814329 = 596178^2 + 291573^2 .

It is not a de Polignac number, because 440443022013 - 2²⁶ = 440375913149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440443022213) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2718784006 + ... + 2718784167.

Almost surely, 2^440443022013 is an apocalyptic number.

It is an amenable number.

440443022013 is a deficient number, since it is larger than the sum of its proper divisors (217502727041).

440443022013 is an equidigital number, since it uses as much as digits as its factorization.

440443022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437568185 (or 5437568176 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 440443022013 its reverse (310220344044), we get a palindrome (750663366057).

The spelling of 440443022013 in words is "four hundred forty billion, four hundred forty-three million, twenty-two thousand, thirteen".