424412421442 has 4 divisors (see below), whose sum is σ = 636618632166. Its totient is φ = 212206210720.

The previous prime is 424412421413. The next prime is 424412421449. The reversal of 424412421442 is 244124214424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 370760427801 + 53651993641 = 608901^2 + 231629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424412421398 and 424412421407.

It is not an unprimeable number, because it can be changed into a prime (424412421449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106103105359 + ... + 106103105362.

Almost surely, 2^424412421442 is an apocalyptic number.

424412421442 is a deficient number, since it is larger than the sum of its proper divisors (212206210724).

424412421442 is a wasteful number, since it uses less digits than its factorization.

424412421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212206210723.

The product of its digits is 65536, while the sum is 34.

Adding to 424412421442 its reverse (244124214424), we get a palindrome (668536635866).

The spelling of 424412421442 in words is "four hundred twenty-four billion, four hundred twelve million, four hundred twenty-one thousand, four hundred forty-two".