340140203343441 has 6 divisors (see below), whose sum is σ = 491313627051650. Its totient is φ = 226760135562288.

The previous prime is 340140203343389. The next prime is 340140203343481. The reversal of 340140203343441 is 144343302041043.

340140203343441 is a `hidden beast` number, since 3 + 4 + 0 + 1 + 4 + 0 + 203 + 3 + 4 + 3 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 322024998953025 + 18115204390416 = 17945055^2 + 4256196^2 .

It is not a de Polignac number, because 340140203343441 - 2⁶ = 340140203343377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340140203343396 and 340140203343405.

It is not an unprimeable number, because it can be changed into a prime (340140203343481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18896677963516 + ... + 18896677963533.

Almost surely, 2^{340140203343441} is an apocalyptic number.

It is an amenable number.

340140203343441 is a deficient number, since it is larger than the sum of its proper divisors (151173423708209).

340140203343441 is a wasteful number, since it uses less digits than its factorization.

340140203343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37793355927055 (or 37793355927052 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 340140203343441 its reverse (144343302041043), we get a palindrome (484483505384484).

The spelling of 340140203343441 in words is "three hundred forty trillion, one hundred forty billion, two hundred three million, three hundred forty-three thousand, four hundred forty-one".