400347606171 has 8 divisors (see below), whose sum is σ = 542547575824. Its totient is φ = 262523020320.

The previous prime is 400347606161. The next prime is 400347606187. The reversal of 400347606171 is 171606743004.

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

It is not a de Polignac number, because 400347606171 - 2⁶ = 400347606107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400347606121) 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, 1093845736 + ... + 1093846101.

It is an arithmetic number, because the mean of its divisors is an integer number (67818446978).

Almost surely, 2^400347606171 is an apocalyptic number.

400347606171 is a deficient number, since it is larger than the sum of its proper divisors (142199969653).

400347606171 is a wasteful number, since it uses less digits than its factorization.

400347606171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187691901.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 400347606171 in words is "four hundred billion, three hundred forty-seven million, six hundred six thousand, one hundred seventy-one".