8253286340 has 24 divisors (see below), whose sum is σ = 18665125080. Its totient is φ = 3047367168.

The previous prime is 8253286289. The next prime is 8253286343. The reversal of 8253286340 is 436823528.

It can be written as a sum of positive squares in 4 ways, for example, as 548309056 + 7704977284 = 23416^2 + 87778^2 .

It is not an unprimeable number, because it can be changed into a prime (8253286343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15871445 + ... + 15871964.

It is an arithmetic number, because the mean of its divisors is an integer number (777713545).

Almost surely, 2^8253286340 is an apocalyptic number.

It is an amenable number.

8253286340 is an abundant number, since it is smaller than the sum of its proper divisors (10411838740).

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

8253286340 is a wasteful number, since it uses less digits than its factorization.

8253286340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31743431 (or 31743429 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 8253286340 is about 90847.5995280007. The cubic root of 8253286340 is about 2020.8882754760. Note that the first 3 decimals are identical.

The spelling of 8253286340 in words is "eight billion, two hundred fifty-three million, two hundred eighty-six thousand, three hundred forty".