8299143840 has 288 divisors, whose sum is σ = 28488620160. Its totient is φ = 2029867008.

The previous prime is 8299143829. The next prime is 8299143871. The reversal of 8299143840 is 483419928.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 8299143840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21334366 + ... + 21334754.

It is an arithmetic number, because the mean of its divisors is an integer number (98918820).

Almost surely, 2^8299143840 is an apocalyptic number.

8299143840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8299143840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14244310080).

8299143840 is an abundant number, since it is smaller than the sum of its proper divisors (20189476320).

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

8299143840 is a wasteful number, since it uses less digits than its factorization.

8299143840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 8299143840 is about 91099.6368818230. The cubic root of 8299143840 is about 2024.6242326683.

The spelling of 8299143840 in words is "eight billion, two hundred ninety-nine million, one hundred forty-three thousand, eight hundred forty".