404400044071 has 2 divisors, whose sum is σ = 404400044072. Its totient is φ = 404400044070.

The previous prime is 404400044033. The next prime is 404400044107. The reversal of 404400044071 is 170440004404.

It is a happy number.

Together with next prime (404400044107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404400044071 - 2²⁷ = 404265826343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404400044171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202200022035 + 202200022036.

It is an arithmetic number, because the mean of its divisors is an integer number (202200022036).

Almost surely, 2^404400044071 is an apocalyptic number.

404400044071 is a deficient number, since it is larger than the sum of its proper divisors (1).

404400044071 is an equidigital number, since it uses as much as digits as its factorization.

404400044071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 404400044071 its reverse (170440004404), we get a palindrome (574840048475).

The spelling of 404400044071 in words is "four hundred four billion, four hundred million, forty-four thousand, seventy-one".