404223320042 has 8 divisors (see below), whose sum is σ = 614640938916. Its totient is φ = 199343007072.

The previous prime is 404223320041. The next prime is 404223320063. The reversal of 404223320042 is 240023322404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 397657621201 + 6565698841 = 630601^2 + 81029^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 404223319993 and 404223320020.

It is not an unprimeable number, because it can be changed into a prime (404223320041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384326293 + ... + 1384326584.

Almost surely, 2^404223320042 is an apocalyptic number.

404223320042 is a deficient number, since it is larger than the sum of its proper divisors (210417618874).

404223320042 is a wasteful number, since it uses less digits than its factorization.

404223320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768652952.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 404223320042 its reverse (240023322404), we get a palindrome (644246642446).

The spelling of 404223320042 in words is "four hundred four billion, two hundred twenty-three million, three hundred twenty thousand, forty-two".