68710304880 has 1080 divisors, whose sum is σ = 298557578592. Its totient is φ = 14090452992.

The previous prime is 68710304837. The next prime is 68710304899. The reversal of 68710304880 is 8840301786.

68710304880 is a `hidden beast` number, since 68 + 7 + 103 + 0 + 488 + 0 = 666.

It is a super-2 number, since 2×68710304880² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 234506014 + ... + 234506306.

Almost surely, 2^68710304880 is an apocalyptic number.

68710304880 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 68710304880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149278789296).

68710304880 is an abundant number, since it is smaller than the sum of its proper divisors (229847273712).

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

68710304880 is a wasteful number, since it uses less digits than its factorization.

68710304880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 68710304880 in words is "sixty-eight billion, seven hundred ten million, three hundred four thousand, eight hundred eighty".