8226640860 has 48 divisors (see below), whose sum is σ = 23085972000. Its totient is φ = 2188877824.

The previous prime is 8226640813. The next prime is 8226640861. The reversal of 8226640860 is 680466228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8226640861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125745 + ... + 179624.

It is an arithmetic number, because the mean of its divisors is an integer number (480957750).

Almost surely, 2^8226640860 is an apocalyptic number.

It is an amenable number.

8226640860 is an abundant number, since it is smaller than the sum of its proper divisors (14859331140).

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

8226640860 is a wasteful number, since it uses less digits than its factorization.

8226640860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305830 (or 305828 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 8226640860 is about 90700.8316389657. The cubic root of 8226640860 is about 2018.7111390629.

The spelling of 8226640860 in words is "eight billion, two hundred twenty-six million, six hundred forty thousand, eight hundred sixty".