404214221242042 has 8 divisors (see below), whose sum is σ = 606324108702132. Its totient is φ = 202106185008000.

The previous prime is 404214221241997. The next prime is 404214221242043. The reversal of 404214221242042 is 240242122412404.

It can be written as a sum of positive squares in 2 ways, for example, as 352633226517961 + 51580994724081 = 18778531^2 + 7181991^2 .

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 = 404214221241989 and 404214221242007.

It is not an unprimeable number, because it can be changed into a prime (404214221242043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462260509 + ... + 463134112.

Almost surely, 2^{404214221242042} is an apocalyptic number.

404214221242042 is a deficient number, since it is larger than the sum of its proper divisors (202109887460090).

404214221242042 is a wasteful number, since it uses less digits than its factorization.

404214221242042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925613024.

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 404214221242042 its reverse (240242122412404), we get a palindrome (644456343654446).

The spelling of 404214221242042 in words is "four hundred four trillion, two hundred fourteen billion, two hundred twenty-one million, two hundred forty-two thousand, forty-two".