342120340 has 48 divisors (see below), whose sum is σ = 751887360. Its totient is φ = 130602240.

The previous prime is 342120313. The next prime is 342120349. The reversal of 342120340 is 43021243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342120349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41481 + ... + 49039.

It is an arithmetic number, because the mean of its divisors is an integer number (15664320).

Almost surely, 2^342120340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342120340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375943680).

342120340 is an abundant number, since it is smaller than the sum of its proper divisors (409767020).

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

342120340 is a wasteful number, since it uses less digits than its factorization.

342120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672 (or 7670 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 342120340 is about 18496.4953437131. The cubic root of 342120340 is about 699.4010795462.

Adding to 342120340 its reverse (43021243), we get a palindrome (385141583).

It can be divided in two parts, 3421203 and 40, that added together give a palindrome (3421243).

The spelling of 342120340 in words is "three hundred forty-two million, one hundred twenty thousand, three hundred forty".