342085217420 has 24 divisors (see below), whose sum is σ = 743150646000. Its totient is φ = 132115669952.

The previous prime is 342085217401. The next prime is 342085217423. The reversal of 342085217420 is 24712580243.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (342085217423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294900470 + ... + 294901629.

It is an arithmetic number, because the mean of its divisors is an integer number (30964610250).

Almost surely, 2^342085217420 is an apocalyptic number.

It is an amenable number.

342085217420 is an abundant number, since it is smaller than the sum of its proper divisors (401065428580).

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

342085217420 is a wasteful number, since it uses less digits than its factorization.

342085217420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589802137 (or 589802135 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

Adding to 342085217420 its reverse (24712580243), we get a palindrome (366797797663).

The spelling of 342085217420 in words is "three hundred forty-two billion, eighty-five million, two hundred seventeen thousand, four hundred twenty".