440402223413 has 4 divisors (see below), whose sum is σ = 440633894028. Its totient is φ = 440170552800.

The previous prime is 440402223403. The next prime is 440402223427. The reversal of 440402223413 is 314322204044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236077430884 + 204324792529 = 485878^2 + 452023^2 .

It is a cyclic number.

It is not a de Polignac number, because 440402223413 - 2²² = 440398029109 is a prime.

It is a super-3 number, since 3×440402223413³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440402223403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115832456 + ... + 115836257.

It is an arithmetic number, because the mean of its divisors is an integer number (110158473507).

Almost surely, 2^440402223413 is an apocalyptic number.

It is an amenable number.

440402223413 is a deficient number, since it is larger than the sum of its proper divisors (231670615).

440402223413 is a wasteful number, since it uses less digits than its factorization.

440402223413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231670614.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 440402223413 its reverse (314322204044), we get a palindrome (754724427457).

The spelling of 440402223413 in words is "four hundred forty billion, four hundred two million, two hundred twenty-three thousand, four hundred thirteen".