42442242004 has 12 divisors (see below), whose sum is σ = 74277802228. Its totient is φ = 21220012800.

The previous prime is 42442242001. The next prime is 42442242013. The reversal of 42442242004 is 40024224424.

42442242004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16602322500 + 25839919504 = 128850^2 + 160748^2 .

It is a super-2 number, since 2×42442242004² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442242001) 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, 187677 + ... + 346564.

Almost surely, 2^42442242004 is an apocalyptic number.

It is an amenable number.

42442242004 is a deficient number, since it is larger than the sum of its proper divisors (31835560224).

42442242004 is a wasteful number, since it uses less digits than its factorization.

42442242004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554106 (or 554104 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42442242004 its reverse (40024224424), we get a palindrome (82466466428).

The spelling of 42442242004 in words is "forty-two billion, four hundred forty-two million, two hundred forty-two thousand, four".