42440122404343 has 4 divisors (see below), whose sum is σ = 42440226384960. Its totient is φ = 42440018423728.

The previous prime is 42440122404269. The next prime is 42440122404349. The reversal of 42440122404343 is 34340422104424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42440122404343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440122404349) 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, 51375655 + ... + 52195192.

It is an arithmetic number, because the mean of its divisors is an integer number (10610056596240).

Almost surely, 2^{42440122404343} is an apocalyptic number.

42440122404343 is a deficient number, since it is larger than the sum of its proper divisors (103980617).

42440122404343 is a wasteful number, since it uses less digits than its factorization.

42440122404343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103980616.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 42440122404343 its reverse (34340422104424), we get a palindrome (76780544508767).

The spelling of 42440122404343 in words is "forty-two trillion, four hundred forty billion, one hundred twenty-two million, four hundred four thousand, three hundred forty-three".