342304140 has 24 divisors (see below), whose sum is σ = 958451760. Its totient is φ = 91281088.

The previous prime is 342304111. The next prime is 342304153. The reversal of 342304140 is 41403243.

It is a super-2 number, since 2×342304140² = 234344248522279200, which contains 22 as substring.

It is an unprimeable number.

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, 2852475 + ... + 2852594.

It is an arithmetic number, because the mean of its divisors is an integer number (39935490).

Almost surely, 2^342304140 is an apocalyptic number.

342304140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342304140 is an abundant number, since it is smaller than the sum of its proper divisors (616147620).

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

342304140 is a wasteful number, since it uses less digits than its factorization.

342304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705081 (or 5705079 counting only the distinct ones).

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

The square root of 342304140 is about 18501.4631853808. The cubic root of 342304140 is about 699.5263053704.

Adding to 342304140 its reverse (41403243), we get a palindrome (383707383).

The spelling of 342304140 in words is "three hundred forty-two million, three hundred four thousand, one hundred forty".