42343440341 has 4 divisors (see below), whose sum is σ = 42478723212. Its totient is φ = 42208157472.

The previous prime is 42343440301. The next prime is 42343440379. The reversal of 42343440341 is 14304434324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14035377841 + 28308062500 = 118471^2 + 168250^2 .

It is a cyclic number.

It is not a de Polignac number, because 42343440341 - 2⁶ = 42343440277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42343440298 and 42343440307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343440301) 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, 67640966 + ... + 67641591.

It is an arithmetic number, because the mean of its divisors is an integer number (10619680803).

Almost surely, 2^42343440341 is an apocalyptic number.

It is an amenable number.

42343440341 is a deficient number, since it is larger than the sum of its proper divisors (135282871).

42343440341 is a wasteful number, since it uses less digits than its factorization.

42343440341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135282870.

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

Adding to 42343440341 its reverse (14304434324), we get a palindrome (56647874665).

The spelling of 42343440341 in words is "forty-two billion, three hundred forty-three million, four hundred forty thousand, three hundred forty-one".