404240344411 has 2 divisors, whose sum is σ = 404240344412. Its totient is φ = 404240344410.

The previous prime is 404240344397. The next prime is 404240344433. The reversal of 404240344411 is 114443042404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404240344411 - 2¹⁷ = 404240213339 is a prime.

It is not a weakly prime, because it can be changed into another prime (404240344111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202120172205 + 202120172206.

It is an arithmetic number, because the mean of its divisors is an integer number (202120172206).

Almost surely, 2^404240344411 is an apocalyptic number.

404240344411 is a deficient number, since it is larger than the sum of its proper divisors (1).

404240344411 is an equidigital number, since it uses as much as digits as its factorization.

404240344411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 404240344411 its reverse (114443042404), we get a palindrome (518683386815).

The spelling of 404240344411 in words is "four hundred four billion, two hundred forty million, three hundred forty-four thousand, four hundred eleven".