271291280 has 40 divisors (see below), whose sum is σ = 679274232. Its totient is φ = 100168704.

The previous prime is 271291271. The next prime is 271291283. The reversal of 271291280 is 82192172.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1149184 + 270142096 = 1072^2 + 16436^2 .

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

It is not an unprimeable number, because it can be changed into a prime (271291283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129389 + ... + 131468.

Almost surely, 2^271291280 is an apocalyptic number.

271291280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271291280 is an abundant number, since it is smaller than the sum of its proper divisors (407982952).

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

271291280 is a wasteful number, since it uses less digits than its factorization.

271291280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260883 (or 260877 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 271291280 is about 16470.9222571172. The cubic root of 271291280 is about 647.3591311644.

The spelling of 271291280 in words is "two hundred seventy-one million, two hundred ninety-one thousand, two hundred eighty".