42340066305 has 16 divisors (see below), whose sum is σ = 67767511680. Its totient is φ = 22573566848.

The previous prime is 42340066289. The next prime is 42340066309. The reversal of 42340066305 is 50366004324.

It is a cyclic number.

It is not a de Polignac number, because 42340066305 - 2⁴ = 42340066289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42340066309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442620 + ... + 529709.

It is an arithmetic number, because the mean of its divisors is an integer number (4235469480).

Almost surely, 2^42340066305 is an apocalyptic number.

It is an amenable number.

42340066305 is a deficient number, since it is larger than the sum of its proper divisors (25427445375).

42340066305 is a wasteful number, since it uses less digits than its factorization.

42340066305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975240.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 42340066305 in words is "forty-two billion, three hundred forty million, sixty-six thousand, three hundred five".