68434280344052 has 48 divisors (see below), whose sum is σ = 138748686612480. Its totient is φ = 28926123363072.

The previous prime is 68434280344009. The next prime is 68434280344091. The reversal of 68434280344052 is 25044308243486.

It is a junction number, because it is equal to n+sod(n) for n = 68434280343985 and 68434280344003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54975149 + ... + 56206187.

It is an arithmetic number, because the mean of its divisors is an integer number (2890597637760).

Almost surely, 2^{68434280344052} is an apocalyptic number.

It is an amenable number.

68434280344052 is an abundant number, since it is smaller than the sum of its proper divisors (70314406268428).

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

68434280344052 is a wasteful number, since it uses less digits than its factorization.

68434280344052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258320 (or 1258318 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 53.

The spelling of 68434280344052 in words is "sixty-eight trillion, four hundred thirty-four billion, two hundred eighty million, three hundred forty-four thousand, fifty-two".