342340140 has 48 divisors (see below), whose sum is σ = 970115328. Its totient is φ = 90189504.

The previous prime is 342340129. The next prime is 342340153. The reversal of 342340140 is 41043243.

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, 29392 + ... + 39351.

It is an arithmetic number, because the mean of its divisors is an integer number (20210736).

Almost surely, 2^342340140 is an apocalyptic number.

342340140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342340140 is an abundant number, since it is smaller than the sum of its proper divisors (627775188).

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

342340140 is a wasteful number, since it uses less digits than its factorization.

342340140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68838 (or 68836 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 342340140 is about 18502.4360558279. The cubic root of 342340140 is about 699.5508274851.

Adding to 342340140 its reverse (41043243), we get a palindrome (383383383).

The spelling of 342340140 in words is "three hundred forty-two million, three hundred forty thousand, one hundred forty".