8231855940 has 1152 divisors, whose sum is σ = 36229939200. Its totient is φ = 1490227200.

The previous prime is 8231855939. The next prime is 8231855953. The reversal of 8231855940 is 495581328.

8231855940 is a `hidden beast` number, since 82 + 3 + 18 + 559 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 265543725 + ... + 265543755.

It is an arithmetic number, because the mean of its divisors is an integer number (31449600).

Almost surely, 2^8231855940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8231855940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18114969600).

8231855940 is an abundant number, since it is smaller than the sum of its proper divisors (27998083260).

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

8231855940 is a wasteful number, since it uses less digits than its factorization.

8231855940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 8231855940 is about 90729.5758835012. The cubic root of 8231855940 is about 2019.1376199902.

The spelling of 8231855940 in words is "eight billion, two hundred thirty-one million, eight hundred fifty-five thousand, nine hundred forty".