42003430444 has 24 divisors (see below), whose sum is σ = 74085580800. Its totient is φ = 20836658640.

The previous prime is 42003430411. The next prime is 42003430453. The reversal of 42003430444 is 44403430024.

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 7 ways as a sum of consecutive naturals, for example, 247509 + ... + 381139.

It is an arithmetic number, because the mean of its divisors is an integer number (3086899200).

Almost surely, 2^42003430444 is an apocalyptic number.

It is an amenable number.

42003430444 is a deficient number, since it is larger than the sum of its proper divisors (32082150356).

42003430444 is a wasteful number, since it uses less digits than its factorization.

42003430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134253 (or 134251 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42003430444 its reverse (44403430024), we get a palindrome (86406860468).

The spelling of 42003430444 in words is "forty-two billion, three million, four hundred thirty thousand, four hundred forty-four".