400422398934167 has 2 divisors, whose sum is σ = 400422398934168. Its totient is φ = 400422398934166.

The previous prime is 400422398934149. The next prime is 400422398934203. The reversal of 400422398934167 is 761439893224004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400422398934167 - 2¹⁰ = 400422398933143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400422398934967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200211199467083 + 200211199467084.

It is an arithmetic number, because the mean of its divisors is an integer number (200211199467084).

Almost surely, 2^{400422398934167} is an apocalyptic number.

400422398934167 is a deficient number, since it is larger than the sum of its proper divisors (1).

400422398934167 is an equidigital number, since it uses as much as digits as its factorization.

400422398934167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 62.

The spelling of 400422398934167 in words is "four hundred trillion, four hundred twenty-two billion, three hundred ninety-eight million, nine hundred thirty-four thousand, one hundred sixty-seven".