402223440329 has 2 divisors, whose sum is σ = 402223440330. Its totient is φ = 402223440328.

The previous prime is 402223440301. The next prime is 402223440347. The reversal of 402223440329 is 923044322204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248155415104 + 154068025225 = 498152^2 + 392515^2 .

It is a cyclic number.

It is not a de Polignac number, because 402223440329 - 2³⁶ = 333503963593 is a prime.

It is not a weakly prime, because it can be changed into another prime (402223440379) 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, 201111720164 + 201111720165.

It is an arithmetic number, because the mean of its divisors is an integer number (201111720165).

Almost surely, 2^402223440329 is an apocalyptic number.

It is an amenable number.

402223440329 is a deficient number, since it is larger than the sum of its proper divisors (1).

402223440329 is an equidigital number, since it uses as much as digits as its factorization.

402223440329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 402223440329 in words is "four hundred two billion, two hundred twenty-three million, four hundred forty thousand, three hundred twenty-nine".