42430402205 has 64 divisors (see below), whose sum is σ = 53826094080. Its totient is φ = 32085172224.

The previous prime is 42430402151. The next prime is 42430402207. The reversal of 42430402205 is 50220403424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42430402205 - 2⁶ = 42430402141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430402207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 309710897 + ... + 309711033.

It is an arithmetic number, because the mean of its divisors is an integer number (841032720).

Almost surely, 2^42430402205 is an apocalyptic number.

It is an amenable number.

42430402205 is a deficient number, since it is larger than the sum of its proper divisors (11395691875).

42430402205 is a wasteful number, since it uses less digits than its factorization.

42430402205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 42430402205 its reverse (50220403424), we get a palindrome (92650805629).

The spelling of 42430402205 in words is "forty-two billion, four hundred thirty million, four hundred two thousand, two hundred five".