342512240 has 80 divisors (see below), whose sum is σ = 958033920. Its totient is φ = 111248640.

The previous prime is 342512239. The next prime is 342512257. The reversal of 342512240 is 42215243.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5456 + ... + 26735.

It is an arithmetic number, because the mean of its divisors is an integer number (11975424).

Almost surely, 2^342512240 is an apocalyptic number.

It is an amenable number.

342512240 is an abundant number, since it is smaller than the sum of its proper divisors (615521680).

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

342512240 is a wasteful number, since it uses less digits than its factorization.

342512240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32230 (or 32224 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 342512240 is about 18507.0862104222. The cubic root of 342512240 is about 699.6680330696.

Adding to 342512240 its reverse (42215243), we get a palindrome (384727483).

The spelling of 342512240 in words is "three hundred forty-two million, five hundred twelve thousand, two hundred forty".