440410013 has 2 divisors, whose sum is σ = 440410014. Its totient is φ = 440410012.

The previous prime is 440409953. The next prime is 440410021. The reversal of 440410013 is 310014044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433763929 + 6646084 = 20827^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 440410013 - 2¹⁶ = 440344477 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 440409973 and 440410000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440410513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220205006 + 220205007.

It is an arithmetic number, because the mean of its divisors is an integer number (220205007).

Almost surely, 2^440410013 is an apocalyptic number.

It is an amenable number.

440410013 is a deficient number, since it is larger than the sum of its proper divisors (1).

440410013 is an equidigital number, since it uses as much as digits as its factorization.

440410013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 440410013 is about 20985.9479890712. The cubic root of 440410013 is about 760.8266703139.

Adding to 440410013 its reverse (310014044), we get a palindrome (750424057).

The spelling of 440410013 in words is "four hundred forty million, four hundred ten thousand, thirteen".