68244729744 has 40 divisors (see below), whose sum is σ = 176321776192. Its totient is φ = 22745289600.

The previous prime is 68244729743. The next prime is 68244729757. The reversal of 68244729744 is 44792744286.

It is not an unprimeable number, because it can be changed into a prime (68244729743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298269 + ... + 474819.

Almost surely, 2^68244729744 is an apocalyptic number.

It is an amenable number.

68244729744 is an abundant number, since it is smaller than the sum of its proper divisors (108077046448).

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

68244729744 is a wasteful number, since it uses less digits than its factorization.

68244729744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184615 (or 184609 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 57.

The spelling of 68244729744 in words is "sixty-eight billion, two hundred forty-four million, seven hundred twenty-nine thousand, seven hundred forty-four".