340242340 has 24 divisors (see below), whose sum is σ = 715007160. Its totient is φ = 136002048.

The previous prime is 340242257. The next prime is 340242361. The reversal of 340242340 is 43242043.

It can be written as a sum of positive squares in 4 ways, for example, as 64416676 + 275825664 = 8026^2 + 16608^2 .

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, 28284 + ... + 38476.

It is an arithmetic number, because the mean of its divisors is an integer number (29791965).

Almost surely, 2^340242340 is an apocalyptic number.

It is an amenable number.

340242340 is an abundant number, since it is smaller than the sum of its proper divisors (374764820).

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

340242340 is a wasteful number, since it uses less digits than its factorization.

340242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871 (or 11869 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 340242340 is about 18445.6591099370. The cubic root of 340242340 is about 698.1189907785.

Adding to 340242340 its reverse (43242043), we get a palindrome (383484383).

The spelling of 340242340 in words is "three hundred forty million, two hundred forty-two thousand, three hundred forty".