42003120430 has 32 divisors (see below), whose sum is σ = 80072660160. Its totient is φ = 15809057280.

The previous prime is 42003120409. The next prime is 42003120433. The reversal of 42003120430 is 3402130024.

It is a junction number, because it is equal to n+sod(n) for n = 42003120398 and 42003120407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003120433) 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 15 ways as a sum of consecutive naturals, for example, 718336 + ... + 774604.

It is an arithmetic number, because the mean of its divisors is an integer number (2502270630).

Almost surely, 2^42003120430 is an apocalyptic number.

42003120430 is a deficient number, since it is larger than the sum of its proper divisors (38069539730).

42003120430 is a wasteful number, since it uses less digits than its factorization.

42003120430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60684.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 42003120430 its reverse (3402130024), we get a palindrome (45405250454).

The spelling of 42003120430 in words is "forty-two billion, three million, one hundred twenty thousand, four hundred thirty".