404524224520442 has 24 divisors (see below), whose sum is σ = 657231355148796. Its totient is φ = 186652711629696.

The previous prime is 404524224520333. The next prime is 404524224520483. The reversal of 404524224520442 is 244025422425404.

It can be written as a sum of positive squares in 6 ways, for example, as 85782439658161 + 318741784862281 = 9261881^2 + 17853341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404524224520393 and 404524224520402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161500883 + ... + 163986534.

Almost surely, 2^{404524224520442} is an apocalyptic number.

404524224520442 is a deficient number, since it is larger than the sum of its proper divisors (252707130628354).

404524224520442 is a wasteful number, since it uses less digits than its factorization.

404524224520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325491122 (or 325491109 counting only the distinct ones).

The product of its (nonzero) digits is 3276800, while the sum is 44.

Adding to 404524224520442 its reverse (244025422425404), we get a palindrome (648549646945846).

The spelling of 404524224520442 in words is "four hundred four trillion, five hundred twenty-four billion, two hundred twenty-four million, five hundred twenty thousand, four hundred forty-two".