271247645456 has 40 divisors (see below), whose sum is σ = 528573591000. Its totient is φ = 134841922560.

The previous prime is 271247645437. The next prime is 271247645479. The reversal of 271247645456 is 654546742172.

It can be written as a sum of positive squares in 4 ways, for example, as 2007040000 + 269240605456 = 44800^2 + 518884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 271247645398 and 271247645407.

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, 15771710 + ... + 15788898.

It is an arithmetic number, because the mean of its divisors is an integer number (13214339775).

Almost surely, 2^271247645456 is an apocalyptic number.

It is an amenable number.

271247645456 is a deficient number, since it is larger than the sum of its proper divisors (257325945544).

271247645456 is a wasteful number, since it uses less digits than its factorization.

271247645456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827 (or 22821 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 53.

The spelling of 271247645456 in words is "two hundred seventy-one billion, two hundred forty-seven million, six hundred forty-five thousand, four hundred fifty-six".