404004040471 has 2 divisors, whose sum is σ = 404004040472. Its totient is φ = 404004040470.

The previous prime is 404004040441. The next prime is 404004040499. The reversal of 404004040471 is 174040400404.

It is a happy number.

It is an a-pointer prime, because the next prime (404004040499) can be obtained adding 404004040471 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404004040471 - 2²⁹ = 403467169559 is a prime.

It is a super-3 number, since 3×404004040471³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404004040421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202002020235 + 202002020236.

It is an arithmetic number, because the mean of its divisors is an integer number (202002020236).

Almost surely, 2^404004040471 is an apocalyptic number.

404004040471 is a deficient number, since it is larger than the sum of its proper divisors (1).

404004040471 is an equidigital number, since it uses as much as digits as its factorization.

404004040471 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 404004040471 its reverse (174040400404), we get a palindrome (578044440875).

The spelling of 404004040471 in words is "four hundred four billion, four million, forty thousand, four hundred seventy-one".