6171408140 has 48 divisors (see below), whose sum is σ = 13045384800. Its totient is φ = 2452342272.

The previous prime is 6171408127. The next prime is 6171408143. The reversal of 6171408140 is 418041716.

It is a junction number, because it is equal to n+sod(n) for n = 6171408097 and 6171408106.

It is not an unprimeable number, because it can be changed into a prime (6171408143) 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, 2582066 + ... + 2584454.

It is an arithmetic number, because the mean of its divisors is an integer number (271778850).

Almost surely, 2^6171408140 is an apocalyptic number.

It is an amenable number.

6171408140 is an abundant number, since it is smaller than the sum of its proper divisors (6873976660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6171408140 is a wasteful number, since it uses less digits than its factorization.

6171408140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 6171408140 is about 78558.3104451719. The cubic root of 6171408140 is about 1834.2622281939.

Adding to 6171408140 its reverse (418041716), we get a palindrome (6589449856).

The spelling of 6171408140 in words is "six billion, one hundred seventy-one million, four hundred eight thousand, one hundred forty".