68541341540 has 48 divisors (see below), whose sum is σ = 174175650432. Its totient is φ = 22117541376.

The previous prime is 68541341471. The next prime is 68541341549. The reversal of 68541341540 is 4514314586.

It is not an unprimeable number, because it can be changed into a prime (68541341549) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14397062 + ... + 14401821.

It is an arithmetic number, because the mean of its divisors is an integer number (3628659384).

Almost surely, 2^68541341540 is an apocalyptic number.

It is an amenable number.

68541341540 is an abundant number, since it is smaller than the sum of its proper divisors (105634308892).

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

68541341540 is a wasteful number, since it uses less digits than its factorization.

68541341540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28798916 (or 28798914 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 68541341540 in words is "sixty-eight billion, five hundred forty-one million, three hundred forty-one thousand, five hundred forty".