8271304340 has 24 divisors (see below), whose sum is σ = 18705873480. Its totient is φ = 3054019968.

The previous prime is 8271304331. The next prime is 8271304351. The reversal of 8271304340 is 434031728.

It can be written as a sum of positive squares in 4 ways, for example, as 33200644 + 8238103696 = 5762^2 + 90764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8271304297 and 8271304306.

It is a congruent number.

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, 15906095 + ... + 15906614.

It is an arithmetic number, because the mean of its divisors is an integer number (779411395).

Almost surely, 2^8271304340 is an apocalyptic number.

It is an amenable number.

8271304340 is an abundant number, since it is smaller than the sum of its proper divisors (10434569140).

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

8271304340 is a wasteful number, since it uses less digits than its factorization.

8271304340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31812731 (or 31812729 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 8271304340 is about 90946.7115403300. The cubic root of 8271304340 is about 2022.3578274376.

The spelling of 8271304340 in words is "eight billion, two hundred seventy-one million, three hundred four thousand, three hundred forty".