42044231444 has 6 divisors (see below), whose sum is σ = 73577405034. Its totient is φ = 21022115720.

The previous prime is 42044231431. The next prime is 42044231477. The reversal of 42044231444 is 44413244024.

It can be written as a sum of positive squares in only one way, i.e., 42009421444 + 34810000 = 204962^2 + 5900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42044231444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255528927 + ... + 5255528934.

It is an arithmetic number, because the mean of its divisors is an integer number (12262900839).

Almost surely, 2^42044231444 is an apocalyptic number.

It is an amenable number.

42044231444 is a deficient number, since it is larger than the sum of its proper divisors (31533173590).

42044231444 is a wasteful number, since it uses less digits than its factorization.

42044231444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511057865 (or 10511057863 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42044231444 its reverse (44413244024), we get a palindrome (86457475468).

The spelling of 42044231444 in words is "forty-two billion, forty-four million, two hundred thirty-one thousand, four hundred forty-four".