42244220404 has 12 divisors (see below), whose sum is σ = 73966043844. Its totient is φ = 21111065024.

The previous prime is 42244220377. The next prime is 42244220449. The reversal of 42244220404 is 40402244224.

It can be written as a sum of positive squares in 2 ways, for example, as 27952496100 + 14291724304 = 167190^2 + 119548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752687 + ... + 2767990.

It is an arithmetic number, because the mean of its divisors is an integer number (6163836987).

Almost surely, 2^42244220404 is an apocalyptic number.

It is an amenable number.

42244220404 is a deficient number, since it is larger than the sum of its proper divisors (31721823440).

42244220404 is a wasteful number, since it uses less digits than its factorization.

42244220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522594 (or 5522592 counting only the distinct ones).

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

Adding to 42244220404 its reverse (40402244224), we get a palindrome (82646464628).

The spelling of 42244220404 in words is "forty-two billion, two hundred forty-four million, two hundred twenty thousand, four hundred four".