68454984192 has 320 divisors, whose sum is σ = 221745807360. Its totient is φ = 18319343616.

The previous prime is 68454984187. The next prime is 68454984223. The reversal of 68454984192 is 29148945486.

It is a happy number.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43684593 + ... + 43686159.

It is an arithmetic number, because the mean of its divisors is an integer number (692955648).

Almost surely, 2^68454984192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68454984192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110872903680).

68454984192 is an abundant number, since it is smaller than the sum of its proper divisors (153290823168).

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

68454984192 is a wasteful number, since it uses less digits than its factorization.

68454984192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1835 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 60.

The spelling of 68454984192 in words is "sixty-eight billion, four hundred fifty-four million, nine hundred eighty-four thousand, one hundred ninety-two".