68258030940 has 240 divisors, whose sum is σ = 235150401024. Its totient is φ = 16437168000.

The previous prime is 68258030909. The next prime is 68258031029. The reversal of 68258030940 is 4903085286.

68258030940 is a `hidden beast` number, since 68 + 2 + 580 + 3 + 0 + 9 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2678137 + ... + 2703503.

Almost surely, 2^68258030940 is an apocalyptic number.

68258030940 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 68258030940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117575200512).

68258030940 is an abundant number, since it is smaller than the sum of its proper divisors (166892370084).

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

68258030940 is a wasteful number, since it uses less digits than its factorization.

68258030940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25550 (or 25539 counting only the distinct ones).

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

The spelling of 68258030940 in words is "sixty-eight billion, two hundred fifty-eight million, thirty thousand, nine hundred forty".