340355240 has 16 divisors (see below), whose sum is σ = 765799380. Its totient is φ = 136142080.

The previous prime is 340355207. The next prime is 340355263. The reversal of 340355240 is 42553043.

It can be written as a sum of positive squares in 2 ways, for example, as 332187076 + 8168164 = 18226^2 + 2858^2 .

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 3 ways as a sum of consecutive naturals, for example, 4254401 + ... + 4254480.

Almost surely, 2^340355240 is an apocalyptic number.

It is an amenable number.

340355240 is an abundant number, since it is smaller than the sum of its proper divisors (425444140).

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

340355240 is a wasteful number, since it uses less digits than its factorization.

340355240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508892 (or 8508888 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 340355240 is about 18448.7191967356. The cubic root of 340355240 is about 698.1961993919.

The spelling of 340355240 in words is "three hundred forty million, three hundred fifty-five thousand, two hundred forty".