68630045426880 has 448 divisors, whose sum is σ = 262776157931520. Its totient is φ = 14836233240576.

The previous prime is 68630045426879. The next prime is 68630045426897. The reversal of 68630045426880 is 8862454003686.

68630045426880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×68630045426880² (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11261262 + ... + 16250418.

Almost surely, 2^{68630045426880} is an apocalyptic number.

68630045426880 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 68630045426880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131388078965760).

68630045426880 is an abundant number, since it is smaller than the sum of its proper divisors (194146112504640).

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

68630045426880 is a wasteful number, since it uses less digits than its factorization.

68630045426880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989296 (or 4989286 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 60.

The spelling of 68630045426880 in words is "sixty-eight trillion, six hundred thirty billion, forty-five million, four hundred twenty-six thousand, eight hundred eighty".