68357240334 has 32 divisors (see below), whose sum is σ = 156010523040. Its totient is φ = 22169915136.

The previous prime is 68357240299. The next prime is 68357240387. The reversal of 68357240334 is 43304275386.

68357240334 is a `hidden beast` number, since 6 + 8 + 3 + 572 + 40 + 3 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68357240334.

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, 17104419 + ... + 17108414.

It is an arithmetic number, because the mean of its divisors is an integer number (4875328845).

Almost surely, 2^68357240334 is an apocalyptic number.

68357240334 is an abundant number, since it is smaller than the sum of its proper divisors (87653282706).

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

68357240334 is a wasteful number, since it uses less digits than its factorization.

68357240334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34212881 (or 34212875 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 68357240334 in words is "sixty-eight billion, three hundred fifty-seven million, two hundred forty thousand, three hundred thirty-four".