404143203242 has 8 divisors (see below), whose sum is σ = 606477356100. Its totient is φ = 201984084544.

The previous prime is 404143203239. The next prime is 404143203257. The reversal of 404143203242 is 242302341404.

It can be written as a sum of positive squares in 2 ways, for example, as 342106840201 + 62036363041 = 584899^2 + 249071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43752767 + ... + 43762002.

Almost surely, 2^404143203242 is an apocalyptic number.

404143203242 is a deficient number, since it is larger than the sum of its proper divisors (202334152858).

404143203242 is a wasteful number, since it uses less digits than its factorization.

404143203242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87517080.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 404143203242 its reverse (242302341404), we get a palindrome (646445544646).

The spelling of 404143203242 in words is "four hundred four billion, one hundred forty-three million, two hundred three thousand, two hundred forty-two".