402252330287 has 2 divisors, whose sum is σ = 402252330288. Its totient is φ = 402252330286.

The previous prime is 402252330269. The next prime is 402252330353. The reversal of 402252330287 is 782033252204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402252330287 - 2⁸ = 402252330031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402252330287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402252330217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201126165143 + 201126165144.

It is an arithmetic number, because the mean of its divisors is an integer number (201126165144).

Almost surely, 2^402252330287 is an apocalyptic number.

402252330287 is a deficient number, since it is larger than the sum of its proper divisors (1).

402252330287 is an equidigital number, since it uses as much as digits as its factorization.

402252330287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 402252330287 in words is "four hundred two billion, two hundred fifty-two million, three hundred thirty thousand, two hundred eighty-seven".