343213222042040 has 64 divisors (see below), whose sum is σ = 882551726438400. Its totient is φ = 117672645875328.

The previous prime is 343213222042013. The next prime is 343213222042121. The reversal of 343213222042040 is 40240222312343.

It is a junction number, because it is equal to n+sod(n) for n = 343213222041988 and 343213222042006.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73889177 + ... + 78396663.

It is an arithmetic number, because the mean of its divisors is an integer number (13789870725600).

Almost surely, 2^{343213222042040} is an apocalyptic number.

It is an amenable number.

343213222042040 is an abundant number, since it is smaller than the sum of its proper divisors (539338504396360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343213222042040 is a wasteful number, since it uses less digits than its factorization.

343213222042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779444 (or 4779440 counting only the distinct ones).

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

Adding to 343213222042040 its reverse (40240222312343), we get a palindrome (383453444354383).

The spelling of 343213222042040 in words is "three hundred forty-three trillion, two hundred thirteen billion, two hundred twenty-two million, forty-two thousand, forty".