68895912240 has 360 divisors, whose sum is σ = 246660083280. Its totient is φ = 17230159872.

The previous prime is 68895912133. The next prime is 68895912247. The reversal of 68895912240 is 4221959886.

It is a happy number.

68895912240 is a `hidden beast` number, since 6 + 8 + 8 + 9 + 591 + 2 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is not an unprimeable number, because it can be changed into a prime (68895912247) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 97173006 + ... + 97173714.

It is an arithmetic number, because the mean of its divisors is an integer number (685166898).

Almost surely, 2^68895912240 is an apocalyptic number.

68895912240 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 68895912240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123330041640).

68895912240 is an abundant number, since it is smaller than the sum of its proper divisors (177764171040).

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

68895912240 is a wasteful number, since it uses less digits than its factorization.

68895912240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 68895912240 in words is "sixty-eight billion, eight hundred ninety-five million, nine hundred twelve thousand, two hundred forty".