440143440041 has 2 divisors, whose sum is σ = 440143440042. Its totient is φ = 440143440040.

The previous prime is 440143439993. The next prime is 440143440059. The reversal of 440143440041 is 140044341044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230763983641 + 209379456400 = 480379^2 + 457580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440143440041 is a prime.

It is a super-2 number, since 2×440143440041² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440143439986 and 440143440013.

It is not a weakly prime, because it can be changed into another prime (440143440941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220071720020 + 220071720021.

It is an arithmetic number, because the mean of its divisors is an integer number (220071720021).

Almost surely, 2^440143440041 is an apocalyptic number.

It is an amenable number.

440143440041 is a deficient number, since it is larger than the sum of its proper divisors (1).

440143440041 is an equidigital number, since it uses as much as digits as its factorization.

440143440041 is an evil number, because the sum of its binary digits is even.

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

Adding to 440143440041 its reverse (140044341044), we get a palindrome (580187781085).

The spelling of 440143440041 in words is "four hundred forty billion, one hundred forty-three million, four hundred forty thousand, forty-one".