68006243800 has 192 divisors, whose sum is σ = 181081267200. Its totient is φ = 23524800000.

The previous prime is 68006243797. The next prime is 68006243819. The reversal of 68006243800 is 834260086.

It is a self number, because there is not a number n which added to its sum of digits gives 68006243800.

It is a congruent number.

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, 4015350 + ... + 4032250.

It is an arithmetic number, because the mean of its divisors is an integer number (943131600).

Almost surely, 2^68006243800 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 68006243800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90540633600).

68006243800 is an abundant number, since it is smaller than the sum of its proper divisors (113075023400).

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

68006243800 is a wasteful number, since it uses less digits than its factorization.

68006243800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17018 (or 17009 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 68006243800 in words is "sixty-eight billion, six million, two hundred forty-three thousand, eight hundred".