42102000434 has 32 divisors (see below), whose sum is σ = 71049726720. Its totient is φ = 18565411392.

The previous prime is 42102000407. The next prime is 42102000439. The reversal of 42102000434 is 43400020124.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42102000439) by changing a digit.

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, 484307 + ... + 564585.

It is an arithmetic number, because the mean of its divisors is an integer number (2220303960).

Almost surely, 2^42102000434 is an apocalyptic number.

42102000434 is a deficient number, since it is larger than the sum of its proper divisors (28947726286).

42102000434 is a wasteful number, since it uses less digits than its factorization.

42102000434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81194.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42102000434 its reverse (43400020124), we get a palindrome (85502020558).

The spelling of 42102000434 in words is "forty-two billion, one hundred two million, four hundred thirty-four", and thus it is an aban number.