440204442113 has 4 divisors (see below), whose sum is σ = 440946777348. Its totient is φ = 439462106880.

The previous prime is 440204442107. The next prime is 440204442239. The reversal of 440204442113 is 311244402044.

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 341578295809 + 98626146304 = 584447^2 + 314048^2 .

It is a cyclic number.

It is not a de Polignac number, because 440204442113 - 2⁶ = 440204442049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (440204442313) 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, 371166728 + ... + 371167913.

It is an arithmetic number, because the mean of its divisors is an integer number (110236694337).

Almost surely, 2^440204442113 is an apocalyptic number.

It is an amenable number.

440204442113 is a deficient number, since it is larger than the sum of its proper divisors (742335235).

440204442113 is an equidigital number, since it uses as much as digits as its factorization.

440204442113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742335234.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 440204442113 its reverse (311244402044), we get a palindrome (751448844157).

The spelling of 440204442113 in words is "four hundred forty billion, two hundred four million, four hundred forty-two thousand, one hundred thirteen".