68650336400 has 240 divisors, whose sum is σ = 177592800000. Its totient is φ = 25425653760.

The previous prime is 68650336397. The next prime is 68650336423. The reversal of 68650336400 is 463305686.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65443076 + ... + 65444124.

It is an arithmetic number, because the mean of its divisors is an integer number (739970000).

Almost surely, 2^68650336400 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 68650336400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88796400000).

68650336400 is an abundant number, since it is smaller than the sum of its proper divisors (108942463600).

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

68650336400 is a wasteful number, since it uses less digits than its factorization.

68650336400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 68650336400 in words is "sixty-eight billion, six hundred fifty million, three hundred thirty-six thousand, four hundred".