440322213313 has 4 divisors (see below), whose sum is σ = 455505737940. Its totient is φ = 425138688688.

The previous prime is 440322213229. The next prime is 440322213329. The reversal of 440322213313 is 313312223044.

It is a happy number.

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 102548533824 + 337773679489 = 320232^2 + 581183^2 .

It is a cyclic number.

It is not a de Polignac number, because 440322213313 - 2²⁵ = 440288658881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440322213013) 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, 7591762270 + ... + 7591762327.

It is an arithmetic number, because the mean of its divisors is an integer number (113876434485).

Almost surely, 2^440322213313 is an apocalyptic number.

It is an amenable number.

440322213313 is a deficient number, since it is larger than the sum of its proper divisors (15183524627).

440322213313 is a wasteful number, since it uses less digits than its factorization.

440322213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15183524626.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 440322213313 its reverse (313312223044), we get a palindrome (753634436357).

The spelling of 440322213313 in words is "four hundred forty billion, three hundred twenty-two million, two hundred thirteen thousand, three hundred thirteen".