442344540343 has 16 divisors (see below), whose sum is σ = 493110983520. Its totient is φ = 394336152576.

The previous prime is 442344540331. The next prime is 442344540367. The reversal of 442344540343 is 343045443244.

It is a cyclic number.

It is not a de Polignac number, because 442344540343 - 2⁵ = 442344540311 is a prime.

It is a super-3 number, since 3×442344540343³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442344540296 and 442344540305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442344540643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573321 + ... + 1833037.

It is an arithmetic number, because the mean of its divisors is an integer number (30819436470).

Almost surely, 2^442344540343 is an apocalyptic number.

442344540343 is a deficient number, since it is larger than the sum of its proper divisors (50766443177).

442344540343 is a wasteful number, since it uses less digits than its factorization.

442344540343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265026.

The product of its (nonzero) digits is 1105920, while the sum is 40.

Adding to 442344540343 its reverse (343045443244), we get a palindrome (785389983587).

The spelling of 442344540343 in words is "four hundred forty-two billion, three hundred forty-four million, five hundred forty thousand, three hundred forty-three".