68425390080 has 576 divisors, whose sum is σ = 260638560000. Its totient is φ = 16525099008.

The previous prime is 68425390067. The next prime is 68425390087. The reversal of 68425390080 is 8009352486.

68425390080 is a `hidden beast` number, since 68 + 425 + 3 + 90 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68425390087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40273071 + ... + 40274769.

It is an arithmetic number, because the mean of its divisors is an integer number (452497500).

Almost surely, 2^68425390080 is an apocalyptic number.

68425390080 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 68425390080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130319280000).

68425390080 is an abundant number, since it is smaller than the sum of its proper divisors (192213169920).

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

68425390080 is a wasteful number, since it uses less digits than its factorization.

68425390080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 68425390080 in words is "sixty-eight billion, four hundred twenty-five million, three hundred ninety thousand, eighty".