68051787323040 has 384 divisors, whose sum is σ = 252211538557440. Its totient is φ = 17078335488000.

The previous prime is 68051787323017. The next prime is 68051787323081. The reversal of 68051787323040 is 4032378715086.

It is a happy number.

68051787323040 is a `hidden beast` number, since 6 + 8 + 0 + 517 + 87 + 3 + 2 + 3 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1229431365 + ... + 1229486715.

It is an arithmetic number, because the mean of its divisors is an integer number (656800881660).

Almost surely, 2^{68051787323040} is an apocalyptic number.

68051787323040 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 68051787323040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126105769278720).

68051787323040 is an abundant number, since it is smaller than the sum of its proper divisors (184159751234400).

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

68051787323040 is a wasteful number, since it uses less digits than its factorization.

68051787323040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72133 (or 72119 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 68051787323040 in words is "sixty-eight trillion, fifty-one billion, seven hundred eighty-seven million, three hundred twenty-three thousand, forty".