42444144044 has 12 divisors (see below), whose sum is σ = 74650506000. Its totient is φ = 21115428048.

The previous prime is 42444144037. The next prime is 42444144077. The reversal of 42444144044 is 44044144424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42444143995 and 42444144013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26660099 + ... + 26661690.

It is an arithmetic number, because the mean of its divisors is an integer number (6220875500).

Almost surely, 2^42444144044 is an apocalyptic number.

It is an amenable number.

42444144044 is a deficient number, since it is larger than the sum of its proper divisors (32206361956).

42444144044 is a wasteful number, since it uses less digits than its factorization.

42444144044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53321992 (or 53321990 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 42444144044 its reverse (44044144424), we get a palindrome (86488288468).

The spelling of 42444144044 in words is "forty-two billion, four hundred forty-four million, one hundred forty-four thousand, forty-four".