42404244244 has 12 divisors (see below), whose sum is σ = 74441522484. Its totient is φ = 21135237824.

The previous prime is 42404244241. The next prime is 42404244313. The reversal of 42404244244 is 44244240424.

It can be written as a sum of positive squares in 2 ways, for example, as 17814240900 + 24590003344 = 133470^2 + 156812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404244241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16719649 + ... + 16722184.

It is an arithmetic number, because the mean of its divisors is an integer number (6203460207).

Almost surely, 2^42404244244 is an apocalyptic number.

It is an amenable number.

42404244244 is a deficient number, since it is larger than the sum of its proper divisors (32037278240).

42404244244 is a wasteful number, since it uses less digits than its factorization.

42404244244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33442154 (or 33442152 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 42404244244 its reverse (44244240424), we get a palindrome (86648484668).

The spelling of 42404244244 in words is "forty-two billion, four hundred four million, two hundred forty-four thousand, two hundred forty-four".