42424121430 has 24 divisors (see below), whose sum is σ = 110302715952. Its totient is φ = 11313099024.

The previous prime is 42424121423. The next prime is 42424121491. The reversal of 42424121430 is 3412142424.

42424121430 is a `hidden beast` number, since 4 + 242 + 412 + 1 + 4 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42424121394 and 42424121403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235689474 + ... + 235689653.

It is an arithmetic number, because the mean of its divisors is an integer number (4595946498).

Almost surely, 2^42424121430 is an apocalyptic number.

42424121430 is an abundant number, since it is smaller than the sum of its proper divisors (67878594522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42424121430 is a wasteful number, since it uses less digits than its factorization.

42424121430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471379140 (or 471379137 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42424121430 its reverse (3412142424), we get a palindrome (45836263854).

The spelling of 42424121430 in words is "forty-two billion, four hundred twenty-four million, one hundred twenty-one thousand, four hundred thirty".