40243645266053 has 2 divisors, whose sum is σ = 40243645266054. Its totient is φ = 40243645266052.

The previous prime is 40243645266047. The next prime is 40243645266061. The reversal of 40243645266053 is 35066254634204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39821375334724 + 422269931329 = 6310418^2 + 649823^2 .

It is a cyclic number.

It is not a de Polignac number, because 40243645266053 - 2⁸ = 40243645265797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40243645265992 and 40243645266010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40243645266043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20121822633026 + 20121822633027.

It is an arithmetic number, because the mean of its divisors is an integer number (20121822633027).

Almost surely, 2^{40243645266053} is an apocalyptic number.

It is an amenable number.

40243645266053 is a deficient number, since it is larger than the sum of its proper divisors (1).

40243645266053 is an equidigital number, since it uses as much as digits as its factorization.

40243645266053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12441600, while the sum is 50.

The spelling of 40243645266053 in words is "forty trillion, two hundred forty-three billion, six hundred forty-five million, two hundred sixty-six thousand, fifty-three".