42220030544 has 20 divisors (see below), whose sum is σ = 82322341524. Its totient is φ = 20975555328.

The previous prime is 42220030513. The next prime is 42220030547. The reversal of 42220030544 is 44503002224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18654096400 + 23565934144 = 136580^2 + 153512^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220030547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8401157 + ... + 8406180.

Almost surely, 2^42220030544 is an apocalyptic number.

It is an amenable number.

42220030544 is a deficient number, since it is larger than the sum of its proper divisors (40102310980).

42220030544 is a wasteful number, since it uses less digits than its factorization.

42220030544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16807502 (or 16807496 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 42220030544 its reverse (44503002224), we get a palindrome (86723032768).

The spelling of 42220030544 in words is "forty-two billion, two hundred twenty million, thirty thousand, five hundred forty-four".