402240302413 has 2 divisors, whose sum is σ = 402240302414. Its totient is φ = 402240302412.

The previous prime is 402240302383. The next prime is 402240302419. The reversal of 402240302413 is 314203042204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399326677929 + 2913624484 = 631923^2 + 53978^2 .

It is a cyclic number.

It is not a de Polignac number, because 402240302413 - 2¹⁷ = 402240171341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402240302419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201120151206 + 201120151207.

It is an arithmetic number, because the mean of its divisors is an integer number (201120151207).

Almost surely, 2^402240302413 is an apocalyptic number.

It is an amenable number.

402240302413 is a deficient number, since it is larger than the sum of its proper divisors (1).

402240302413 is an equidigital number, since it uses as much as digits as its factorization.

402240302413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402240302413 its reverse (314203042204), we get a palindrome (716443344617).

The spelling of 402240302413 in words is "four hundred two billion, two hundred forty million, three hundred two thousand, four hundred thirteen".