68235236226 has 12 divisors (see below), whose sum is σ = 147843011862. Its totient is φ = 22745078736.

The previous prime is 68235236221. The next prime is 68235236233. The reversal of 68235236226 is 62263253286.

68235236226 is a `hidden beast` number, since 68 + 2 + 3 + 523 + 62 + 2 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67133328201 + 1101908025 = 259101^2 + 33195^2 .

It is not an unprimeable number, because it can be changed into a prime (68235236221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1895423211 + ... + 1895423246.

Almost surely, 2^68235236226 is an apocalyptic number.

68235236226 is an abundant number, since it is smaller than the sum of its proper divisors (79607775636).

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

68235236226 is a wasteful number, since it uses less digits than its factorization.

68235236226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790846465 (or 3790846462 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 68235236226 in words is "sixty-eight billion, two hundred thirty-five million, two hundred thirty-six thousand, two hundred twenty-six".