68040614407728 has 160 divisors (see below), whose sum is σ = 177378021635584. Its totient is φ = 22473826430976.

The previous prime is 68040614407723. The next prime is 68040614407739. The reversal of 68040614407728 is 82770441604086.

It is a super-2 number, since 2×68040614407728² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68040614407723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5735525925 + ... + 5735537787.

Almost surely, 2^{68040614407728} is an apocalyptic number.

It is an amenable number.

68040614407728 is an abundant number, since it is smaller than the sum of its proper divisors (109337407227856).

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

68040614407728 is a wasteful number, since it uses less digits than its factorization.

68040614407728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14163 (or 14157 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 57.

The spelling of 68040614407728 in words is "sixty-eight trillion, forty billion, six hundred fourteen million, four hundred seven thousand, seven hundred twenty-eight".