68546717400 has 288 divisors, whose sum is σ = 248635135440. Its totient is φ = 15576099840.

The previous prime is 68546717381. The next prime is 68546717429. The reversal of 68546717400 is 471764586.

It is a self number, because there is not a number n which added to its sum of digits gives 68546717400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5079462 + ... + 5092938.

Almost surely, 2^68546717400 is an apocalyptic number.

68546717400 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 68546717400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124317567720).

68546717400 is an abundant number, since it is smaller than the sum of its proper divisors (180088418040).

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

68546717400 is a wasteful number, since it uses less digits than its factorization.

68546717400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13683 (or 13667 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 68546717400 in words is "sixty-eight billion, five hundred forty-six million, seven hundred seventeen thousand, four hundred".