405220442424143 has 2 divisors, whose sum is σ = 405220442424144. Its totient is φ = 405220442424142.

The previous prime is 405220442424097. The next prime is 405220442424151. The reversal of 405220442424143 is 341424244022504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405220442424143 - 2³⁰ = 405219368682319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405220442424143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405220442454143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202610221212071 + 202610221212072.

It is an arithmetic number, because the mean of its divisors is an integer number (202610221212072).

Almost surely, 2^{405220442424143} is an apocalyptic number.

405220442424143 is a deficient number, since it is larger than the sum of its proper divisors (1).

405220442424143 is an equidigital number, since it uses as much as digits as its factorization.

405220442424143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 983040, while the sum is 41.

Adding to 405220442424143 its reverse (341424244022504), we get a palindrome (746644686446647).

The spelling of 405220442424143 in words is "four hundred five trillion, two hundred twenty billion, four hundred forty-two million, four hundred twenty-four thousand, one hundred forty-three".