6540825245728 has 96 divisors (see below), whose sum is σ = 13573379723904. Its totient is φ = 3096547356672.

The previous prime is 6540825245711. The next prime is 6540825245761. The reversal of 6540825245728 is 8275425280456.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102109326 + ... + 102173362.

It is an arithmetic number, because the mean of its divisors is an integer number (141389372124).

Almost surely, 2^{6540825245728} 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 6540825245728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6786689861952).

6540825245728 is an abundant number, since it is smaller than the sum of its proper divisors (7032554478176).

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

6540825245728 is a wasteful number, since it uses less digits than its factorization.

6540825245728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65474 (or 65466 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 58.

The spelling of 6540825245728 in words is "six trillion, five hundred forty billion, eight hundred twenty-five million, two hundred forty-five thousand, seven hundred twenty-eight".