402232413 has 16 divisors (see below), whose sum is σ = 615859200. Its totient is φ = 230946480.

The previous prime is 402232403. The next prime is 402232417. The reversal of 402232413 is 314232204.

It is not a de Polignac number, because 402232413 - 2¹⁸ = 401970269 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 402232413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402232417) 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, 320133 + ... + 321386.

It is an arithmetic number, because the mean of its divisors is an integer number (38491200).

Almost surely, 2^402232413 is an apocalyptic number.

It is an amenable number.

402232413 is a deficient number, since it is larger than the sum of its proper divisors (213626787).

402232413 is a wasteful number, since it uses less digits than its factorization.

402232413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641552.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 402232413 is about 20055.7326717325. The cubic root of 402232413 is about 738.1744709084.

Adding to 402232413 its reverse (314232204), we get a palindrome (716464617).

The spelling of 402232413 in words is "four hundred two million, two hundred thirty-two thousand, four hundred thirteen".