340315240 has 16 divisors (see below), whose sum is σ = 765709380. Its totient is φ = 136126080.

The previous prime is 340315223. The next prime is 340315247. The reversal of 340315240 is 42513043.

340315240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 307160676 + 33154564 = 17526^2 + 5758^2 .

It is not an unprimeable number, because it can be changed into a prime (340315247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4253901 + ... + 4253980.

Almost surely, 2^340315240 is an apocalyptic number.

It is an amenable number.

340315240 is an abundant number, since it is smaller than the sum of its proper divisors (425394140).

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

340315240 is a wasteful number, since it uses less digits than its factorization.

340315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507892 (or 8507888 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 340315240 is about 18447.6350787845. The cubic root of 340315240 is about 698.1688466549.

Adding to 340315240 its reverse (42513043), we get a palindrome (382828283).

The spelling of 340315240 in words is "three hundred forty million, three hundred fifteen thousand, two hundred forty".