4000207585171 has 16 divisors (see below), whose sum is σ = 4577709438400. Its totient is φ = 3424219463808.

The previous prime is 4000207585117. The next prime is 4000207585189. The reversal of 4000207585171 is 1715857020004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000207585171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4000207586171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17112145 + ... + 17344333.

It is an arithmetic number, because the mean of its divisors is an integer number (286106839900).

Almost surely, 2^{4000207585171} is an apocalyptic number.

4000207585171 is a deficient number, since it is larger than the sum of its proper divisors (577501853229).

4000207585171 is a wasteful number, since it uses less digits than its factorization.

4000207585171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235438.

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 4000207585171 in words is "four trillion, two hundred seven million, five hundred eighty-five thousand, one hundred seventy-one".