404240011 has 16 divisors (see below), whose sum is σ = 471073536. Its totient is φ = 339726816.

The previous prime is 404240003. The next prime is 404240017. The reversal of 404240011 is 110042404.

It is a cyclic number.

It is not a de Polignac number, because 404240011 - 2³ = 404240003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404240017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104565 + ... + 108361.

It is an arithmetic number, because the mean of its divisors is an integer number (29442096).

Almost surely, 2^404240011 is an apocalyptic number.

404240011 is a deficient number, since it is larger than the sum of its proper divisors (66833525).

404240011 is a wasteful number, since it uses less digits than its factorization.

404240011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 404240011 is about 20105.7208525335. The cubic root of 404240011 is about 739.4005438663.

Adding to 404240011 its reverse (110042404), we get a palindrome (514282415).

The spelling of 404240011 in words is "four hundred four million, two hundred forty thousand, eleven".