42443044433 has 16 divisors (see below), whose sum is σ = 44204858880. Its totient is φ = 40715078976.

The previous prime is 42443044409. The next prime is 42443044439. The reversal of 42443044433 is 33444034424.

It is a cyclic number.

It is not a de Polignac number, because 42443044433 - 2¹² = 42443040337 is a prime.

It is a super-2 number, since 2×42443044433² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42443044393 and 42443044402.

It is not an unprimeable number, because it can be changed into a prime (42443044439) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2115035 + ... + 2135007.

It is an arithmetic number, because the mean of its divisors is an integer number (2762803680).

Almost surely, 2^42443044433 is an apocalyptic number.

It is an amenable number.

42443044433 is a deficient number, since it is larger than the sum of its proper divisors (1761814447).

42443044433 is a wasteful number, since it uses less digits than its factorization.

42443044433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20816.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 42443044433 its reverse (33444034424), we get a palindrome (75887078857).

The spelling of 42443044433 in words is "forty-two billion, four hundred forty-three million, forty-four thousand, four hundred thirty-three".