42744370205 has 16 divisors (see below), whose sum is σ = 54065646720. Its totient is φ = 32352078528.

The previous prime is 42744370159. The next prime is 42744370231. The reversal of 42744370205 is 50207344724.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42744370205 - 2³⁴ = 25564501021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232202 + ... + 373371.

It is an arithmetic number, because the mean of its divisors is an integer number (3379102920).

Almost surely, 2^42744370205 is an apocalyptic number.

It is an amenable number.

42744370205 is a deficient number, since it is larger than the sum of its proper divisors (11321276515).

42744370205 is a wasteful number, since it uses less digits than its factorization.

42744370205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606340.

The product of its (nonzero) digits is 188160, while the sum is 38.

The spelling of 42744370205 in words is "forty-two billion, seven hundred forty-four million, three hundred seventy thousand, two hundred five".