440413133 has 2 divisors, whose sum is σ = 440413134. Its totient is φ = 440413132.

The previous prime is 440413121. The next prime is 440413139. The reversal of 440413133 is 331314044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384865924 + 55547209 = 19618^2 + 7453^2 .

It is a cyclic number.

It is not a de Polignac number, because 440413133 - 2²⁰ = 439364557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440413099 and 440413108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440413139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220206566 + 220206567.

It is an arithmetic number, because the mean of its divisors is an integer number (220206567).

Almost surely, 2^440413133 is an apocalyptic number.

It is an amenable number.

440413133 is a deficient number, since it is larger than the sum of its proper divisors (1).

440413133 is an equidigital number, since it uses as much as digits as its factorization.

440413133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 440413133 is about 20986.0223243949. The cubic root of 440413133 is about 760.8284669531.

Adding to 440413133 its reverse (331314044), we get a palindrome (771727177).

It can be divided in two parts, 44041 and 3133, that added together give a palindrome (47174).

The spelling of 440413133 in words is "four hundred forty million, four hundred thirteen thousand, one hundred thirty-three".