8389516140 has 192 divisors, whose sum is σ = 27139392000. Its totient is φ = 2148975360.

The previous prime is 8389516067. The next prime is 8389516171. The reversal of 8389516140 is 416159838.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3302991 + ... + 3305529.

It is an arithmetic number, because the mean of its divisors is an integer number (141351000).

Almost surely, 2^8389516140 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 8389516140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13569696000).

8389516140 is an abundant number, since it is smaller than the sum of its proper divisors (18749875860).

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

8389516140 is a wasteful number, since it uses less digits than its factorization.

8389516140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8389516140 is about 91594.3018970067. The cubic root of 8389516140 is about 2031.9466665456.

The spelling of 8389516140 in words is "eight billion, three hundred eighty-nine million, five hundred sixteen thousand, one hundred forty".