42340400343442 has 16 divisors (see below), whose sum is σ = 66273037099200. Its totient is φ = 20249418702832.

The previous prime is 42340400343413. The next prime is 42340400343491. The reversal of 42340400343442 is 24434300404324.

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 7 ways as a sum of consecutive naturals, for example, 4884508 + ... + 10418215.

It is an arithmetic number, because the mean of its divisors is an integer number (4142064818700).

Almost surely, 2^{42340400343442} is an apocalyptic number.

42340400343442 is a deficient number, since it is larger than the sum of its proper divisors (23932636755758).

42340400343442 is a wasteful number, since it uses less digits than its factorization.

42340400343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15362897.

The product of its (nonzero) digits is 442368, while the sum is 37.

Adding to 42340400343442 its reverse (24434300404324), we get a palindrome (66774700747766).

The spelling of 42340400343442 in words is "forty-two trillion, three hundred forty billion, four hundred million, three hundred forty-three thousand, four hundred forty-two".