8698642240 has 112 divisors (see below), whose sum is σ = 20969020800. Its totient is φ = 3436849152.

The previous prime is 8698642193. The next prime is 8698642241. The reversal of 8698642240 is 422468968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8698642241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11964757 + ... + 11965483.

It is an arithmetic number, because the mean of its divisors is an integer number (187223400).

Almost surely, 2^8698642240 is an apocalyptic number.

8698642240 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 8698642240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10484510400).

8698642240 is an abundant number, since it is smaller than the sum of its proper divisors (12270378560).

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

8698642240 is a wasteful number, since it uses less digits than its factorization.

8698642240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The square root of 8698642240 is about 93266.5118893164. The cubic root of 8698642240 is about 2056.6031175849.

The spelling of 8698642240 in words is "eight billion, six hundred ninety-eight million, six hundred forty-two thousand, two hundred forty".