271199980 has 24 divisors (see below), whose sum is σ = 603021888. Its totient is φ = 102098688.

The previous prime is 271199959. The next prime is 271200019. The reversal of 271199980 is 89991172.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 271199980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398484 + ... + 399163.

It is an arithmetic number, because the mean of its divisors is an integer number (25125912).

Almost surely, 2^271199980 is an apocalyptic number.

271199980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271199980 is an abundant number, since it is smaller than the sum of its proper divisors (331821908).

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

271199980 is a wasteful number, since it uses less digits than its factorization.

271199980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797673 (or 797671 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 271199980 is about 16468.1504729584. The cubic root of 271199980 is about 647.2865025613.

The spelling of 271199980 in words is "two hundred seventy-one million, one hundred ninety-nine thousand, nine hundred eighty".