68239440946 has 8 divisors (see below), whose sum is σ = 104094062640. Its totient is φ = 33541420068.

The previous prime is 68239440931. The next prime is 68239440947. The reversal of 68239440946 is 64904493286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68239440947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289150056 + ... + 289150291.

It is an arithmetic number, because the mean of its divisors is an integer number (13011757830).

Almost surely, 2^68239440946 is an apocalyptic number.

68239440946 is a deficient number, since it is larger than the sum of its proper divisors (35854621694).

68239440946 is a wasteful number, since it uses less digits than its factorization.

68239440946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578300408.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 68239440946 in words is "sixty-eight billion, two hundred thirty-nine million, four hundred forty thousand, nine hundred forty-six".