271261434560 has 56 divisors (see below), whose sum is σ = 647042150160. Its totient is φ = 108319652864.

The previous prime is 271261434557. The next prime is 271261434589. The reversal of 271261434560 is 65434162172.

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, 534215 + ... + 909894.

It is an arithmetic number, because the mean of its divisors is an integer number (11554324110).

Almost surely, 2^271261434560 is an apocalyptic number.

271261434560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271261434560 is an abundant number, since it is smaller than the sum of its proper divisors (375780715600).

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

271261434560 is a wasteful number, since it uses less digits than its factorization.

271261434560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444713 (or 1444703 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 271261434560 in words is "two hundred seventy-one billion, two hundred sixty-one million, four hundred thirty-four thousand, five hundred sixty".