8043875840 has 640 divisors, whose sum is σ = 26860280832. Its totient is φ = 2229534720.

The previous prime is 8043875729. The next prime is 8043875857. The reversal of 8043875840 is 485783408.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110190044 + ... + 110190116.

Almost surely, 2^8043875840 is an apocalyptic number.

8043875840 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 8043875840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13430140416).

8043875840 is an abundant number, since it is smaller than the sum of its proper divisors (18816404992).

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

8043875840 is a wasteful number, since it uses less digits than its factorization.

8043875840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The square root of 8043875840 is about 89687.6571218136. The cubic root of 8043875840 is about 2003.6496559546.

The spelling of 8043875840 in words is "eight billion, forty-three million, eight hundred seventy-five thousand, eight hundred forty".