404002115471 has 2 divisors, whose sum is σ = 404002115472. Its totient is φ = 404002115470.

The previous prime is 404002115411. The next prime is 404002115519. The reversal of 404002115471 is 174511200404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404002115471 - 2¹⁸ = 404001853327 is a prime.

It is a super-3 number, since 3×404002115471³ (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 (404002115411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202001057735 + 202001057736.

It is an arithmetic number, because the mean of its divisors is an integer number (202001057736).

Almost surely, 2^404002115471 is an apocalyptic number.

404002115471 is a deficient number, since it is larger than the sum of its proper divisors (1).

404002115471 is an equidigital number, since it uses as much as digits as its factorization.

404002115471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 404002115471 its reverse (174511200404), we get a palindrome (578513315875).

The spelling of 404002115471 in words is "four hundred four billion, two million, one hundred fifteen thousand, four hundred seventy-one".