8171490380 has 24 divisors (see below), whose sum is σ = 17559204432. Its totient is φ = 3192581952.

The previous prime is 8171490343. The next prime is 8171490403. The reversal of 8171490380 is 830941718.

It is a super-3 number, since 3×8171490380³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750007 + ... + 4751726.

It is an arithmetic number, because the mean of its divisors is an integer number (731633518).

Almost surely, 2^8171490380 is an apocalyptic number.

It is an amenable number.

8171490380 is an abundant number, since it is smaller than the sum of its proper divisors (9387714052).

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

8171490380 is a wasteful number, since it uses less digits than its factorization.

8171490380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501785 (or 9501783 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 8171490380 is about 90396.2962736859. The cubic root of 8171490380 is about 2014.1899495646.

The spelling of 8171490380 in words is "eight billion, one hundred seventy-one million, four hundred ninety thousand, three hundred eighty".