342040120 has 32 divisors (see below), whose sum is σ = 770893200. Its totient is φ = 136584448.

The previous prime is 342040117. The next prime is 342040121. The reversal of 342040120 is 21040243.

It is a super-2 number, since 2×342040120² = 233982887379228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342040094 and 342040103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342040121) 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 7 ways as a sum of consecutive naturals, for example, 17751 + ... + 31609.

Almost surely, 2^342040120 is an apocalyptic number.

It is an amenable number.

342040120 is an abundant number, since it is smaller than the sum of its proper divisors (428853080).

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

342040120 is a wasteful number, since it uses less digits than its factorization.

342040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14487 (or 14483 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 342040120 is about 18494.3266976660. The cubic root of 342040120 is about 699.3464103418.

Adding to 342040120 its reverse (21040243), we get a palindrome (363080363).

The spelling of 342040120 in words is "three hundred forty-two million, forty thousand, one hundred twenty".