680894066602288 has 240 divisors, whose sum is σ = 1679710991616000. Its totient is φ = 261688746908160.

The previous prime is 680894066602283. The next prime is 680894066602427. The reversal of 680894066602288 is 882206660498086.

It is a hoax number, since the sum of its digits (73) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 680894066602288.

It is not an unprimeable number, because it can be changed into a prime (680894066602283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1187017533 + ... + 1187591011.

It is an arithmetic number, because the mean of its divisors is an integer number (6998795798400).

Almost surely, 2^{680894066602288} 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 680894066602288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839855495808000).

680894066602288 is an abundant number, since it is smaller than the sum of its proper divisors (998816925013712).

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

680894066602288 is a wasteful number, since it uses less digits than its factorization.

680894066602288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574704 (or 574687 counting only the distinct ones).

The product of its (nonzero) digits is 764411904, while the sum is 73.

The spelling of 680894066602288 in words is "six hundred eighty trillion, eight hundred ninety-four billion, sixty-six million, six hundred two thousand, two hundred eighty-eight".