68818944480 has 384 divisors, whose sum is σ = 256545999360. Its totient is φ = 15287132160.

The previous prime is 68818944413. The next prime is 68818944497. The reversal of 68818944480 is 8444981886.

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

It is a congruent number.

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, 9537354 + ... + 9544566.

It is an arithmetic number, because the mean of its divisors is an integer number (668088540).

Almost surely, 2^68818944480 is an apocalyptic number.

68818944480 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 68818944480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128272999680).

68818944480 is an abundant number, since it is smaller than the sum of its proper divisors (187727054880).

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

68818944480 is a wasteful number, since it uses less digits than its factorization.

68818944480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394 (or 7386 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 60.

The spelling of 68818944480 in words is "sixty-eight billion, eight hundred eighteen million, nine hundred forty-four thousand, four hundred eighty".