402443440223 has 16 divisors (see below), whose sum is σ = 444342516480. Its totient is φ = 361436961600.

The previous prime is 402443440213. The next prime is 402443440253. The reversal of 402443440223 is 322044344204.

It is not a de Polignac number, because 402443440223 - 2⁸ = 402443439967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402443440223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402443440213) 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, 970886 + ... + 1321932.

It is an arithmetic number, because the mean of its divisors is an integer number (27771407280).

Almost surely, 2^402443440223 is an apocalyptic number.

402443440223 is a deficient number, since it is larger than the sum of its proper divisors (41899076257).

402443440223 is a wasteful number, since it uses less digits than its factorization.

402443440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352318.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 402443440223 its reverse (322044344204), we get a palindrome (724487784427).

The spelling of 402443440223 in words is "four hundred two billion, four hundred forty-three million, four hundred forty thousand, two hundred twenty-three".