68450850868680 has 512 divisors, whose sum is σ = 268466650214400. Its totient is φ = 15188283758592.

The previous prime is 68450850868651. The next prime is 68450850868721. The reversal of 68450850868680 is 8686805805486.

68450850868680 is a `hidden beast` number, since 6 + 8 + 4 + 50 + 8 + 508 + 6 + 8 + 68 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 68450850868599 and 68450850868608.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 52342132 + ... + 53633948.

It is an arithmetic number, because the mean of its divisors is an integer number (524348926200).

Almost surely, 2^{68450850868680} is an apocalyptic number.

68450850868680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68450850868680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134233325107200).

68450850868680 is an abundant number, since it is smaller than the sum of its proper divisors (200015799345720).

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

68450850868680 is a wasteful number, since it uses less digits than its factorization.

68450850868680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292050 (or 1292040 counting only the distinct ones).

The product of its (nonzero) digits is 707788800, while the sum is 72.

The spelling of 68450850868680 in words is "sixty-eight trillion, four hundred fifty billion, eight hundred fifty million, eight hundred sixty-eight thousand, six hundred eighty".