440342113 has 2 divisors, whose sum is σ = 440342114. Its totient is φ = 440342112.

The previous prime is 440342099. The next prime is 440342167. The reversal of 440342113 is 311243044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353703249 + 86638864 = 18807^2 + 9308^2 .

It is a cyclic number.

It is not a de Polignac number, because 440342113 - 2¹³ = 440333921 is a prime.

It is not a weakly prime, because it can be changed into another prime (440342183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220171056 + 220171057.

It is an arithmetic number, because the mean of its divisors is an integer number (220171057).

Almost surely, 2^440342113 is an apocalyptic number.

It is an amenable number.

440342113 is a deficient number, since it is larger than the sum of its proper divisors (1).

440342113 is an equidigital number, since it uses as much as digits as its factorization.

440342113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 440342113 is about 20984.3301775396. The cubic root of 440342113 is about 760.7875682768.

Adding to 440342113 its reverse (311243044), we get a palindrome (751585157).

The spelling of 440342113 in words is "four hundred forty million, three hundred forty-two thousand, one hundred thirteen".