340343042 has 16 divisors (see below), whose sum is σ = 550089792. Its totient is φ = 156994320.

The previous prime is 340343039. The next prime is 340343053. The reversal of 340343042 is 240343043.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 340342999 and 340343017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85067 + ... + 88977.

It is an arithmetic number, because the mean of its divisors is an integer number (34380612).

Almost surely, 2^340343042 is an apocalyptic number.

340343042 is a deficient number, since it is larger than the sum of its proper divisors (209746750).

340343042 is a wasteful number, since it uses less digits than its factorization.

340343042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340343042 is about 18448.3886017180. The cubic root of 340343042 is about 698.1878584019.

Adding to 340343042 its reverse (240343043), we get a palindrome (580686085).

Subtracting from 340343042 its reverse (240343043), we obtain a palindrome (99999999).

The spelling of 340343042 in words is "three hundred forty million, three hundred forty-three thousand, forty-two".