400042142241143 has 2 divisors, whose sum is σ = 400042142241144. Its totient is φ = 400042142241142.

The previous prime is 400042142241127. The next prime is 400042142241167. The reversal of 400042142241143 is 341142241240004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400042142241143 - 2⁴ = 400042142241127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400042142246143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200021071120571 + 200021071120572.

It is an arithmetic number, because the mean of its divisors is an integer number (200021071120572).

Almost surely, 2^{400042142241143} is an apocalyptic number.

400042142241143 is a deficient number, since it is larger than the sum of its proper divisors (1).

400042142241143 is an equidigital number, since it uses as much as digits as its factorization.

400042142241143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 400042142241143 its reverse (341142241240004), we get a palindrome (741184383481147).

The spelling of 400042142241143 in words is "four hundred trillion, forty-two billion, one hundred forty-two million, two hundred forty-one thousand, one hundred forty-three".