404042420242111 has 32 divisors (see below), whose sum is σ = 483547600972800. Its totient is φ = 330090508264704.

The previous prime is 404042420242103. The next prime is 404042420242129. The reversal of 404042420242111 is 111242024240404.

It is a cyclic number.

It is not a de Polignac number, because 404042420242111 - 2³ = 404042420242103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404042420242151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359982915 + ... + 361103563.

It is an arithmetic number, because the mean of its divisors is an integer number (15110862530400).

Almost surely, 2^{404042420242111} is an apocalyptic number.

404042420242111 is a deficient number, since it is larger than the sum of its proper divisors (79505180730689).

404042420242111 is a wasteful number, since it uses less digits than its factorization.

404042420242111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128615.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 404042420242111 its reverse (111242024240404), we get a palindrome (515284444482515).

The spelling of 404042420242111 in words is "four hundred four trillion, forty-two billion, four hundred twenty million, two hundred forty-two thousand, one hundred eleven".