342356240 has 20 divisors (see below), whose sum is σ = 795978444. Its totient is φ = 136942464.

The previous prime is 342356233. The next prime is 342356243. The reversal of 342356240 is 42653243.

It can be written as a sum of positive squares in 2 ways, for example, as 208167184 + 134189056 = 14428^2 + 11584^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (342356243) 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 3 ways as a sum of consecutive naturals, for example, 2139647 + ... + 2139806.

Almost surely, 2^342356240 is an apocalyptic number.

It is an amenable number.

342356240 is an abundant number, since it is smaller than the sum of its proper divisors (453622204).

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

342356240 is a wasteful number, since it uses less digits than its factorization.

342356240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279466 (or 4279460 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 342356240 is about 18502.8711285573. The cubic root of 342356240 is about 699.5617937634.

The spelling of 342356240 in words is "three hundred forty-two million, three hundred fifty-six thousand, two hundred forty".