404066676771 has 20 divisors (see below), whose sum is σ = 609828528232. Its totient is φ = 266600688768.

The previous prime is 404066676683. The next prime is 404066676829. The reversal of 404066676771 is 177676660404.

It is not a de Polignac number, because 404066676771 - 2²⁷ = 403932459043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404066476771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25705945 + ... + 25721658.

Almost surely, 2^404066676771 is an apocalyptic number.

404066676771 is a deficient number, since it is larger than the sum of its proper divisors (205761851461).

404066676771 is an equidigital number, since it uses as much as digits as its factorization.

404066676771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51427712 (or 51427703 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 404066676771 in words is "four hundred four billion, sixty-six million, six hundred seventy-six thousand, seven hundred seventy-one".