68227129452 has 48 divisors (see below), whose sum is σ = 171324472032. Its totient is φ = 21053690880.

The previous prime is 68227129441. The next prime is 68227129457. The reversal of 68227129452 is 25492172286.

It is not an unprimeable number, because it can be changed into a prime (68227129457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728923 + ... + 2753810.

It is an arithmetic number, because the mean of its divisors is an integer number (3569259834).

Almost surely, 2^68227129452 is an apocalyptic number.

It is an amenable number.

68227129452 is an abundant number, since it is smaller than the sum of its proper divisors (103097342580).

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

68227129452 is a wasteful number, since it uses less digits than its factorization.

68227129452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482818 (or 5482816 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 68227129452 in words is "sixty-eight billion, two hundred twenty-seven million, one hundred twenty-nine thousand, four hundred fifty-two".