42242242044224 has 14 divisors (see below), whose sum is σ = 83824449056634. Its totient is φ = 21121121022080.

The previous prime is 42242242044193. The next prime is 42242242044229. The reversal of 42242242044224 is 42244024224224.

It can be written as a sum of positive squares in only one way, i.e., 26365842413824 + 15876399630400 = 5134768^2 + 3984520^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242242044229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330017515907 + ... + 330017516034.

Almost surely, 2^{42242242044224} is an apocalyptic number.

It is an amenable number.

42242242044224 is a deficient number, since it is larger than the sum of its proper divisors (41582207012410).

42242242044224 is an equidigital number, since it uses as much as digits as its factorization.

42242242044224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660035031953 (or 660035031943 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 42242242044224 its reverse (42244024224224), we get a palindrome (84486266268448).

The spelling of 42242242044224 in words is "forty-two trillion, two hundred forty-two billion, two hundred forty-two million, forty-four thousand, two hundred twenty-four".