340504342 has 4 divisors (see below), whose sum is σ = 510756516. Its totient is φ = 170252170.

The previous prime is 340504291. The next prime is 340504343. The reversal of 340504342 is 243405043.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340504343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85126084 + ... + 85126087.

It is an arithmetic number, because the mean of its divisors is an integer number (127689129).

Almost surely, 2^340504342 is an apocalyptic number.

340504342 is a deficient number, since it is larger than the sum of its proper divisors (170252174).

340504342 is a wasteful number, since it uses less digits than its factorization.

340504342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170252173.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 340504342 is about 18452.7597393994. The cubic root of 340504342 is about 698.2981392080.

Adding to 340504342 its reverse (243405043), we get a palindrome (583909385).

The spelling of 340504342 in words is "three hundred forty million, five hundred four thousand, three hundred forty-two".