40253334430289 has 2 divisors, whose sum is σ = 40253334430290. Its totient is φ = 40253334430288.

The previous prime is 40253334430193. The next prime is 40253334430307. The reversal of 40253334430289 is 98203443335204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23473947480064 + 16779386950225 = 4844992^2 + 4096265^2 .

It is a cyclic number.

It is not a de Polignac number, because 40253334430289 - 2⁸ = 40253334430033 is a prime.

It is not a weakly prime, because it can be changed into another prime (40253334430789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20126667215144 + 20126667215145.

It is an arithmetic number, because the mean of its divisors is an integer number (20126667215145).

Almost surely, 2^{40253334430289} is an apocalyptic number.

It is an amenable number.

40253334430289 is a deficient number, since it is larger than the sum of its proper divisors (1).

40253334430289 is an equidigital number, since it uses as much as digits as its factorization.

40253334430289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 40253334430289 in words is "forty trillion, two hundred fifty-three billion, three hundred thirty-four million, four hundred thirty thousand, two hundred eighty-nine".