402243413 has 16 divisors (see below), whose sum is σ = 475492416. Its totient is φ = 335456640.

The previous prime is 402243407. The next prime is 402243419. The reversal of 402243413 is 314342204.

It is an interprime number because it is at equal distance from previous prime (402243407) and next prime (402243419).

It is a cyclic number.

It is not a de Polignac number, because 402243413 - 2⁴ = 402243397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402243419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14681 + ... + 31937.

It is an arithmetic number, because the mean of its divisors is an integer number (29718276).

Almost surely, 2^402243413 is an apocalyptic number.

It is an amenable number.

402243413 is a deficient number, since it is larger than the sum of its proper divisors (73249003).

402243413 is a wasteful number, since it uses less digits than its factorization.

402243413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 402243413 is about 20056.0069056630. The cubic root of 402243413 is about 738.1811998914.

Adding to 402243413 its reverse (314342204), we get a palindrome (716585617).

The spelling of 402243413 in words is "four hundred two million, two hundred forty-three thousand, four hundred thirteen".