42204142444 has 12 divisors (see below), whose sum is σ = 74618664904. Its totient is φ = 20884523904.

The previous prime is 42204142439. The next prime is 42204142457. The reversal of 42204142444 is 44424140224.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54386394 + ... + 54387169.

Almost surely, 2^42204142444 is an apocalyptic number.

It is an amenable number.

42204142444 is a deficient number, since it is larger than the sum of its proper divisors (32414522460).

42204142444 is a wasteful number, since it uses less digits than its factorization.

42204142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108773664 (or 108773662 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 42204142444 its reverse (44424140224), we get a palindrome (86628282668).

The spelling of 42204142444 in words is "forty-two billion, two hundred four million, one hundred forty-two thousand, four hundred forty-four".