404287506669171 has 8 divisors (see below), whose sum is σ = 570758832944784. Its totient is φ = 253670592419840.

The previous prime is 404287506669143. The next prime is 404287506669191. The reversal of 404287506669171 is 171966605782404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404287506669171 - 2¹⁷ = 404287506538099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404287506669191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963603006510 + ... + 3963603006611.

It is an arithmetic number, because the mean of its divisors is an integer number (71344854118098).

Almost surely, 2^{404287506669171} is an apocalyptic number.

404287506669171 is a deficient number, since it is larger than the sum of its proper divisors (166471326275613).

404287506669171 is a wasteful number, since it uses less digits than its factorization.

404287506669171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927206013141.

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 404287506669171 in words is "four hundred four trillion, two hundred eighty-seven billion, five hundred six million, six hundred sixty-nine thousand, one hundred seventy-one".