42421212304 has 10 divisors (see below), whose sum is σ = 82191098870. Its totient is φ = 21210606144.

The previous prime is 42421212299. The next prime is 42421212313. The reversal of 42421212304 is 40321212424.

It can be written as a sum of positive squares in only one way, i.e., 37772699904 + 4648512400 = 194352^2 + 68180^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325662869 + ... + 1325662900.

It is an arithmetic number, because the mean of its divisors is an integer number (8219109887).

Almost surely, 2^42421212304 is an apocalyptic number.

It is an amenable number.

42421212304 is a deficient number, since it is larger than the sum of its proper divisors (39769886566).

42421212304 is a wasteful number, since it uses less digits than its factorization.

42421212304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651325777 (or 2651325771 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42421212304 its reverse (40321212424), we get a palindrome (82742424728).

The spelling of 42421212304 in words is "forty-two billion, four hundred twenty-one million, two hundred twelve thousand, three hundred four".