42040322444343 has 4 divisors (see below), whose sum is σ = 56053763259128. Its totient is φ = 28026881629560.

The previous prime is 42040322444321. The next prime is 42040322444347. The reversal of 42040322444343 is 34344422304024.

42040322444343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42040322444343 - 2¹⁰ = 42040322443319 is a prime.

It is a super-2 number, since 2×42040322444343² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42040322444347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7006720407388 + ... + 7006720407393.

It is an arithmetic number, because the mean of its divisors is an integer number (14013440814782).

Almost surely, 2^{42040322444343} is an apocalyptic number.

42040322444343 is a deficient number, since it is larger than the sum of its proper divisors (14013440814785).

42040322444343 is a wasteful number, since it uses less digits than its factorization.

42040322444343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013440814784.

The product of its (nonzero) digits is 884736, while the sum is 39.

Adding to 42040322444343 its reverse (34344422304024), we get a palindrome (76384744748367).

The spelling of 42040322444343 in words is "forty-two trillion, forty billion, three hundred twenty-two million, four hundred forty-four thousand, three hundred forty-three".