340342340 has 36 divisors (see below), whose sum is σ = 773934084. Its totient is φ = 125663616.

The previous prime is 340342333. The next prime is 340342403. The reversal of 340342340 is 43243043.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 99720196 + 240622144 = 9986^2 + 15512^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46967 + ... + 53726.

It is an arithmetic number, because the mean of its divisors is an integer number (21498169).

Almost surely, 2^340342340 is an apocalyptic number.

It is an amenable number.

340342340 is an abundant number, since it is smaller than the sum of its proper divisors (433591744).

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

340342340 is a wasteful number, since it uses less digits than its factorization.

340342340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100728 (or 100713 counting only the distinct ones).

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

The square root of 340342340 is about 18448.3695756563. The cubic root of 340342340 is about 698.1873783683.

Adding to 340342340 its reverse (43243043), we get a palindrome (383585383).

The spelling of 340342340 in words is "three hundred forty million, three hundred forty-two thousand, three hundred forty".