68681940300 has 54 divisors (see below), whose sum is σ = 215279729028. Its totient is φ = 18315183840.

The previous prime is 68681940269. The next prime is 68681940317. The reversal of 68681940300 is 304918686.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

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 17 ways as a sum of consecutive naturals, for example, 38155734 + ... + 38157533.

Almost surely, 2^68681940300 is an apocalyptic number.

68681940300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68681940300 is an abundant number, since it is smaller than the sum of its proper divisors (146597788728).

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

68681940300 is a wasteful number, since it uses less digits than its factorization.

68681940300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76313287 (or 76313277 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 68681940300 in words is "sixty-eight billion, six hundred eighty-one million, nine hundred forty thousand, three hundred".