68045240342 has 32 divisors (see below), whose sum is σ = 106176437280. Its totient is φ = 32666699520.

The previous prime is 68045240311. The next prime is 68045240423. The reversal of 68045240342 is 24304254086.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68045240296 and 68045240305.

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, 8037992 + ... + 8046452.

It is an arithmetic number, because the mean of its divisors is an integer number (3318013665).

Almost surely, 2^68045240342 is an apocalyptic number.

68045240342 is a deficient number, since it is larger than the sum of its proper divisors (38131196938).

68045240342 is a wasteful number, since it uses less digits than its factorization.

68045240342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 68045240342 in words is "sixty-eight billion, forty-five million, two hundred forty thousand, three hundred forty-two".