402256885843 has 2 divisors, whose sum is σ = 402256885844. Its totient is φ = 402256885842.

The previous prime is 402256885829. The next prime is 402256885853. The reversal of 402256885843 is 348588652204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402256885843 is a 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, 201128442921 + 201128442922.

It is an arithmetic number, because the mean of its divisors is an integer number (201128442922).

Almost surely, 2^402256885843 is an apocalyptic number.

402256885843 is a deficient number, since it is larger than the sum of its proper divisors (1).

402256885843 is an equidigital number, since it uses as much as digits as its factorization.

402256885843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14745600, while the sum is 55.

It can be divided in two parts, 4022568 and 85843, that added together give a triangular number (4108411 = T₂₈₆₆).

The spelling of 402256885843 in words is "four hundred two billion, two hundred fifty-six million, eight hundred eighty-five thousand, eight hundred forty-three".