340204302044240 has 20 divisors (see below), whose sum is σ = 790975002253044. Its totient is φ = 136081720817664.

The previous prime is 340204302044209. The next prime is 340204302044261. The reversal of 340204302044240 is 42440203402043.

It can be written as a sum of positive squares in 2 ways, for example, as 206722973202496 + 133481328841744 = 14377864^2 + 11553412^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 340204302044197 and 340204302044206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126276887697 + ... + 2126276887856.

Almost surely, 2^{340204302044240} is an apocalyptic number.

It is an amenable number.

340204302044240 is an abundant number, since it is smaller than the sum of its proper divisors (450770700208804).

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

340204302044240 is a wasteful number, since it uses less digits than its factorization.

340204302044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252553775566 (or 4252553775560 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 340204302044240 its reverse (42440203402043), we get a palindrome (382644505446283).

The spelling of 340204302044240 in words is "three hundred forty trillion, two hundred four billion, three hundred two million, forty-four thousand, two hundred forty".