68776335108240 has 320 divisors, whose sum is σ = 229679782886400. Its totient is φ = 16968602068992.

The previous prime is 68776335108227. The next prime is 68776335108269. The reversal of 68776335108240 is 4280153367786.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1674306582 + ... + 1674347658.

It is an arithmetic number, because the mean of its divisors is an integer number (717749321520).

Almost surely, 2^{68776335108240} is an apocalyptic number.

68776335108240 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 68776335108240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114839891443200).

68776335108240 is an abundant number, since it is smaller than the sum of its proper divisors (160903447778160).

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

68776335108240 is a wasteful number, since it uses less digits than its factorization.

68776335108240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49694 (or 49688 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 68776335108240 in words is "sixty-eight trillion, seven hundred seventy-six billion, three hundred thirty-five million, one hundred eight thousand, two hundred forty".