424334431242 has 40 divisors (see below), whose sum is σ = 1000866794400. Its totient is φ = 134000345736.

The previous prime is 424334431207. The next prime is 424334431247. The reversal of 424334431242 is 242134433424.

424334431242 is a `hidden beast` number, since 4 + 2 + 4 + 334 + 4 + 312 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 424334431197 and 424334431206.

It is not an unprimeable number, because it can be changed into a prime (424334431247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68927142 + ... + 68933297.

It is an arithmetic number, because the mean of its divisors is an integer number (25021669860).

Almost surely, 2^424334431242 is an apocalyptic number.

424334431242 is an abundant number, since it is smaller than the sum of its proper divisors (576532363158).

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

424334431242 is a wasteful number, since it uses less digits than its factorization.

424334431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137860472 (or 137860463 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 424334431242 its reverse (242134433424), we get a palindrome (666468864666).

The spelling of 424334431242 in words is "four hundred twenty-four billion, three hundred thirty-four million, four hundred thirty-one thousand, two hundred forty-two".