42244433021 has 16 divisors (see below), whose sum is σ = 49596274560. Its totient is φ = 35222299200.

The previous prime is 42244432957. The next prime is 42244433051. The reversal of 42244433021 is 12033444224.

It is a cyclic number.

It is not a de Polignac number, because 42244433021 - 2⁶ = 42244432957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244433051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187075 + ... + 1222143.

It is an arithmetic number, because the mean of its divisors is an integer number (3099767160).

Almost surely, 2^42244433021 is an apocalyptic number.

It is an amenable number.

42244433021 is a deficient number, since it is larger than the sum of its proper divisors (7351841539).

42244433021 is a wasteful number, since it uses less digits than its factorization.

42244433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39764.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42244433021 its reverse (12033444224), we get a palindrome (54277877245).

The spelling of 42244433021 in words is "forty-two billion, two hundred forty-four million, four hundred thirty-three thousand, twenty-one".