8640380754 has 64 divisors (see below), whose sum is σ = 19853527680. Its totient is φ = 2783543040.

The previous prime is 8640380753. The next prime is 8640380857. The reversal of 8640380754 is 4570830468.

It is not an unprimeable number, because it can be changed into a prime (8640380753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218662 + ... + 255134.

It is an arithmetic number, because the mean of its divisors is an integer number (310211370).

Almost surely, 2^8640380754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8640380754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9926763840).

8640380754 is an abundant number, since it is smaller than the sum of its proper divisors (11213146926).

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

8640380754 is a wasteful number, since it uses less digits than its factorization.

8640380754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36632 (or 36626 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 8640380754 is about 92953.6484168319. The cubic root of 8640380754 is about 2052.0012781703.

The spelling of 8640380754 in words is "eight billion, six hundred forty million, three hundred eighty thousand, seven hundred fifty-four".