42340344432434 has 32 divisors (see below), whose sum is σ = 64264123699200. Its totient is φ = 20919270317440.

The previous prime is 42340344432401. The next prime is 42340344432439. The reversal of 42340344432434 is 43423444304324.

It is not an unprimeable number, because it can be changed into a prime (42340344432439) 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, 3024951524 + ... + 3024965520.

It is an arithmetic number, because the mean of its divisors is an integer number (2008253865600).

Almost surely, 2^{42340344432434} is an apocalyptic number.

42340344432434 is a deficient number, since it is larger than the sum of its proper divisors (21923779266766).

42340344432434 is a wasteful number, since it uses less digits than its factorization.

42340344432434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23458.

The product of its (nonzero) digits is 5308416, while the sum is 44.

Adding to 42340344432434 its reverse (43423444304324), we get a palindrome (85763788736758).

The spelling of 42340344432434 in words is "forty-two trillion, three hundred forty billion, three hundred forty-four million, four hundred thirty-two thousand, four hundred thirty-four".