402208459 has 2 divisors, whose sum is σ = 402208460. Its totient is φ = 402208458.

The previous prime is 402208427. The next prime is 402208493. The reversal of 402208459 is 954802204.

It is an a-pointer prime, because the next prime (402208493) can be obtained adding 402208459 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402208459 - 2⁵ = 402208427 is a prime.

It is not a weakly prime, because it can be changed into another prime (402208259) 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, 201104229 + 201104230.

It is an arithmetic number, because the mean of its divisors is an integer number (201104230).

Almost surely, 2^402208459 is an apocalyptic number.

402208459 is a deficient number, since it is larger than the sum of its proper divisors (1).

402208459 is an equidigital number, since it uses as much as digits as its factorization.

402208459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 402208459 is about 20055.1354769795. The cubic root of 402208459 is about 738.1598172059.

The spelling of 402208459 in words is "four hundred two million, two hundred eight thousand, four hundred fifty-nine".