8640375750 has 96 divisors (see below), whose sum is σ = 23395413600. Its totient is φ = 2300961600.

The previous prime is 8640375727. The next prime is 8640375787. The reversal of 8640375750 is 575730468.

8640375750 is a `hidden beast` number, since 8 + 6 + 40 + 37 + 575 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 8640375696 and 8640375705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1984576 + ... + 1988924.

It is an arithmetic number, because the mean of its divisors is an integer number (243702225).

Almost surely, 2^8640375750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8640375750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11697706800).

8640375750 is an abundant number, since it is smaller than the sum of its proper divisors (14755037850).

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

8640375750 is a wasteful number, since it uses less digits than its factorization.

8640375750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5242 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 8640375750 is about 92953.6215001869. The cubic root of 8640375750 is about 2052.0008820374. Note that the first 3 decimals are identical.

The spelling of 8640375750 in words is "eight billion, six hundred forty million, three hundred seventy-five thousand, seven hundred fifty".