43442144444 has 24 divisors (see below), whose sum is σ = 78143779728. Its totient is φ = 21116332800.

The previous prime is 43442144443. The next prime is 43442144467. The reversal of 43442144444 is 44444124434.

It is a junction number, because it is equal to n+sod(n) for n = 43442144398 and 43442144407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43442144443) 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 7 ways as a sum of consecutive naturals, for example, 55547 + ... + 299949.

It is an arithmetic number, because the mean of its divisors is an integer number (3255990822).

Almost surely, 2^43442144444 is an apocalyptic number.

It is an amenable number.

43442144444 is a deficient number, since it is larger than the sum of its proper divisors (34701635284).

43442144444 is a wasteful number, since it uses less digits than its factorization.

43442144444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245645 (or 245643 counting only the distinct ones).

The product of its digits is 393216, while the sum is 38.

Adding to 43442144444 its reverse (44444124434), we get a palindrome (87886268878).

The spelling of 43442144444 in words is "forty-three billion, four hundred forty-two million, one hundred forty-four thousand, four hundred forty-four".