1840345340056 has 16 divisors (see below), whose sum is σ = 3451147203240. Its totient is φ = 920039419200.

The previous prime is 1840345340051. The next prime is 1840345340059. The reversal of 1840345340056 is 6500435430481.

It is a junction number, because it is equal to n+sod(n) for n = 1840345339994 and 1840345340021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840345340051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16597645 + ... + 16708156.

Almost surely, 2^{1840345340056} is an apocalyptic number.

It is an amenable number.

1840345340056 is a deficient number, since it is larger than the sum of its proper divisors (1610801863184).

1840345340056 is a wasteful number, since it uses less digits than its factorization.

1840345340056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33312714 (or 33312710 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1840345340056 in words is "one trillion, eight hundred forty billion, three hundred forty-five million, three hundred forty thousand, fifty-six".