404041121042 has 16 divisors (see below), whose sum is σ = 653700062232. Its totient is φ = 186189588480.

The previous prime is 404041121027. The next prime is 404041121111. The reversal of 404041121042 is 240121140404.

It can be written as a sum of positive squares in 4 ways, for example, as 234652079281 + 169389041761 = 484409^2 + 411569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404041120999 and 404041121017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12105053 + ... + 12138384.

Almost surely, 2^404041121042 is an apocalyptic number.

404041121042 is a deficient number, since it is larger than the sum of its proper divisors (249658941190).

404041121042 is a wasteful number, since it uses less digits than its factorization.

404041121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24244093.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 404041121042 its reverse (240121140404), we get a palindrome (644162261446).

The spelling of 404041121042 in words is "four hundred four billion, forty-one million, one hundred twenty-one thousand, forty-two".