3171886480 has 40 divisors (see below), whose sum is σ = 8428156992. Its totient is φ = 1087503744.

The previous prime is 3171886451. The next prime is 3171886481. The reversal of 3171886480 is 846881713.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3171886480.

It is not an unprimeable number, because it can be changed into a prime (3171886481) 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, 2831482 + ... + 2832601.

Almost surely, 2^3171886480 is an apocalyptic number.

It is an amenable number.

3171886480 is an abundant number, since it is smaller than the sum of its proper divisors (5256270512).

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

3171886480 is a wasteful number, since it uses less digits than its factorization.

3171886480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664103 (or 5664097 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 3171886480 is about 56319.5035489483. The cubic root of 3171886480 is about 1469.2844373972.

The spelling of 3171886480 in words is "three billion, one hundred seventy-one million, eight hundred eighty-six thousand, four hundred eighty".