42343440134 has 8 divisors (see below), whose sum is σ = 64591688520. Its totient is φ = 20812877296.

The previous prime is 42343440133. The next prime is 42343440179. The reversal of 42343440134 is 43104434324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42343440134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343440133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179421239 + ... + 179421474.

It is an arithmetic number, because the mean of its divisors is an integer number (8073961065).

Almost surely, 2^42343440134 is an apocalyptic number.

42343440134 is a deficient number, since it is larger than the sum of its proper divisors (22248248386).

42343440134 is a wasteful number, since it uses less digits than its factorization.

42343440134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358842774.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 42343440134 its reverse (43104434324), we get a palindrome (85447874458).

The spelling of 42343440134 in words is "forty-two billion, three hundred forty-three million, four hundred forty thousand, one hundred thirty-four".