68395580000 has 120 divisors (see below), whose sum is σ = 183560648040. Its totient is φ = 24871040000.

The previous prime is 68395579999. The next prime is 68395580047. The reversal of 68395580000 is 8559386.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64556 + ... + 375444.

It is an arithmetic number, because the mean of its divisors is an integer number (1529672067).

Almost surely, 2^68395580000 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 68395580000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91780324020).

68395580000 is an abundant number, since it is smaller than the sum of its proper divisors (115165068040).

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

68395580000 is a wasteful number, since it uses less digits than its factorization.

68395580000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310930 (or 310907 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 68395580000 in words is "sixty-eight billion, three hundred ninety-five million, five hundred eighty thousand".