271357840 has 40 divisors (see below), whose sum is σ = 679440888. Its totient is φ = 100193280.

The previous prime is 271357831. The next prime is 271357871. The reversal of 271357840 is 48753172.

It can be written as a sum of positive squares in 4 ways, for example, as 1478656 + 269879184 = 1216^2 + 16428^2 .

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

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 271357840.

It is an unprimeable number.

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, 129421 + ... + 131500.

Almost surely, 2^271357840 is an apocalyptic number.

271357840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271357840 is an abundant number, since it is smaller than the sum of its proper divisors (408083048).

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

271357840 is a wasteful number, since it uses less digits than its factorization.

271357840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260947 (or 260941 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 271357840 is about 16472.9426636530. The cubic root of 271357840 is about 647.4120689765.

The spelling of 271357840 in words is "two hundred seventy-one million, three hundred fifty-seven thousand, eight hundred forty".