8170542240 has 288 divisors, whose sum is σ = 30062358144. Its totient is φ = 1859880960.

The previous prime is 8170542143. The next prime is 8170542251. The reversal of 8170542240 is 422450718.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7314162 + ... + 7315278.

It is an arithmetic number, because the mean of its divisors is an integer number (104383188).

Almost surely, 2^8170542240 is an apocalyptic number.

8170542240 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 8170542240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15031179072).

8170542240 is an abundant number, since it is smaller than the sum of its proper divisors (21891815904).

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

8170542240 is a wasteful number, since it uses less digits than its factorization.

8170542240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 8170542240 is about 90391.0517695198. The cubic root of 8170542240 is about 2014.1120442362.

Adding to 8170542240 its reverse (422450718), we get a palindrome (8592992958).

The spelling of 8170542240 in words is "eight billion, one hundred seventy million, five hundred forty-two thousand, two hundred forty".