68350677940 has 24 divisors (see below), whose sum is σ = 147415788072. Its totient is φ = 26601344640.

The previous prime is 68350677929. The next prime is 68350677973. The reversal of 68350677940 is 4977605386.

It is a happy number.

68350677940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17899228944 + 50451448996 = 133788^2 + 224614^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46182151 + ... + 46183630.

It is an arithmetic number, because the mean of its divisors is an integer number (6142324503).

Almost surely, 2^68350677940 is an apocalyptic number.

It is an amenable number.

68350677940 is an abundant number, since it is smaller than the sum of its proper divisors (79065110132).

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

68350677940 is a wasteful number, since it uses less digits than its factorization.

68350677940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92365827 (or 92365825 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 68350677940 in words is "sixty-eight billion, three hundred fifty million, six hundred seventy-seven thousand, nine hundred forty".