68796240240 has 640 divisors, whose sum is σ = 276014333952. Its totient is φ = 13776998400.

The previous prime is 68796240223. The next prime is 68796240251. The reversal of 68796240240 is 4204269786.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 68796240240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 75849867 + ... + 75850773.

Almost surely, 2^68796240240 is an apocalyptic number.

68796240240 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 68796240240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138007166976).

68796240240 is an abundant number, since it is smaller than the sum of its proper divisors (207218093712).

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

68796240240 is a wasteful number, since it uses less digits than its factorization.

68796240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 68796240240 in words is "sixty-eight billion, seven hundred ninety-six million, two hundred forty thousand, two hundred forty".