8328261250040 has 32 divisors (see below), whose sum is σ = 18740516724000. Its totient is φ = 3330961582464.

The previous prime is 8328261250027. The next prime is 8328261250073. The reversal of 8328261250040 is 400521628238.

It is a self number, because there is not a number n which added to its sum of digits gives 8328261250040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10322555 + ... + 11100074.

It is an arithmetic number, because the mean of its divisors is an integer number (585641147625).

Almost surely, 2^{8328261250040} is an apocalyptic number.

It is an amenable number.

8328261250040 is an abundant number, since it is smaller than the sum of its proper divisors (10412255473960).

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

8328261250040 is a wasteful number, since it uses less digits than its factorization.

8328261250040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21432359 (or 21432355 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

Adding to 8328261250040 its reverse (400521628238), we get a palindrome (8728782878278).

The spelling of 8328261250040 in words is "eight trillion, three hundred twenty-eight billion, two hundred sixty-one million, two hundred fifty thousand, forty".