404442422412142 has 32 divisors (see below), whose sum is σ = 670942279425600. Its totient is φ = 181870381744128.

The previous prime is 404442422412019. The next prime is 404442422412157. The reversal of 404442422412142 is 241214224244404.

It is a junction number, because it is equal to n+sod(n) for n = 404442422412095 and 404442422412104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255499267 + ... + 257077342.

It is an arithmetic number, because the mean of its divisors is an integer number (20966946232050).

Almost surely, 2^{404442422412142} is an apocalyptic number.

404442422412142 is a deficient number, since it is larger than the sum of its proper divisors (266499857013458).

404442422412142 is a wasteful number, since it uses less digits than its factorization.

404442422412142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512577660.

The product of its (nonzero) digits is 524288, while the sum is 40.

Adding to 404442422412142 its reverse (241214224244404), we get a palindrome (645656646656546).

The spelling of 404442422412142 in words is "four hundred four trillion, four hundred forty-two billion, four hundred twenty-two million, four hundred twelve thousand, one hundred forty-two".