68388324480 has 384 divisors, whose sum is σ = 270529459200. Its totient is φ = 15594577920.

The previous prime is 68388324479. The next prime is 68388324497. The reversal of 68388324480 is 8442388386.

68388324480 is a `hidden beast` number, since 6 + 83 + 8 + 83 + 2 + 4 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19311510 + ... + 19315050.

It is an arithmetic number, because the mean of its divisors is an integer number (704503800).

Almost surely, 2^68388324480 is an apocalyptic number.

68388324480 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 68388324480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135264729600).

68388324480 is an abundant number, since it is smaller than the sum of its proper divisors (202141134720).

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

68388324480 is a wasteful number, since it uses less digits than its factorization.

68388324480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 68388324480 in words is "sixty-eight billion, three hundred eighty-eight million, three hundred twenty-four thousand, four hundred eighty".