402256885859 has 2 divisors, whose sum is σ = 402256885860. Its totient is φ = 402256885858.

The previous prime is 402256885853. The next prime is 402256885861. The reversal of 402256885859 is 958588652204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402256885859 - 2⁴ = 402256885843 is a prime.

Together with 402256885861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402256885853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201128442929 + 201128442930.

It is an arithmetic number, because the mean of its divisors is an integer number (201128442930).

Almost surely, 2^402256885859 is an apocalyptic number.

402256885859 is a deficient number, since it is larger than the sum of its proper divisors (1).

402256885859 is an equidigital number, since it uses as much as digits as its factorization.

402256885859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296000, while the sum is 62.

The spelling of 402256885859 in words is "four hundred two billion, two hundred fifty-six million, eight hundred eighty-five thousand, eight hundred fifty-nine".