42003134430 has 32 divisors (see below), whose sum is σ = 100824175008. Its totient is φ = 11198985600.

The previous prime is 42003134401. The next prime is 42003134443. The reversal of 42003134430 is 3443130024.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42003134430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74100 + ... + 299160.

It is an arithmetic number, because the mean of its divisors is an integer number (3150755469).

Almost surely, 2^42003134430 is an apocalyptic number.

42003134430 is an abundant number, since it is smaller than the sum of its proper divisors (58821040578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42003134430 is a wasteful number, since it uses less digits than its factorization.

42003134430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231292.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42003134430 its reverse (3443130024), we get a palindrome (45446264454).

The spelling of 42003134430 in words is "forty-two billion, three million, one hundred thirty-four thousand, four hundred thirty".