42340424434424 has 64 divisors (see below), whose sum is σ = 83487543048000. Its totient is φ = 20091622380544.

The previous prime is 42340424434421. The next prime is 42340424434433. The reversal of 42340424434424 is 42443442404324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340424434421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48699494 + ... + 49561290.

It is an arithmetic number, because the mean of its divisors is an integer number (1304492860125).

Almost surely, 2^{42340424434424} is an apocalyptic number.

It is an amenable number.

42340424434424 is a deficient number, since it is larger than the sum of its proper divisors (41147118613576).

42340424434424 is a wasteful number, since it uses less digits than its factorization.

42340424434424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863912 (or 863908 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 44.

Adding to 42340424434424 its reverse (42443442404324), we get a palindrome (84783866838748).

The spelling of 42340424434424 in words is "forty-two trillion, three hundred forty billion, four hundred twenty-four million, four hundred thirty-four thousand, four hundred twenty-four".