40524655642589 has 2 divisors, whose sum is σ = 40524655642590. Its totient is φ = 40524655642588.

The previous prime is 40524655642487. The next prime is 40524655642591. The reversal of 40524655642589 is 98524655642504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39562628153689 + 962027488900 = 6289883^2 + 980830^2 .

It is a cyclic number.

It is not a de Polignac number, because 40524655642589 - 2²⁰ = 40524654594013 is a prime.

Together with 40524655642591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40524655612589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262327821294 + 20262327821295.

It is an arithmetic number, because the mean of its divisors is an integer number (20262327821295).

Almost surely, 2^{40524655642589} is an apocalyptic number.

It is an amenable number.

40524655642589 is a deficient number, since it is larger than the sum of its proper divisors (1).

40524655642589 is an equidigital number, since it uses as much as digits as its factorization.

40524655642589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720000, while the sum is 65.

The spelling of 40524655642589 in words is "forty trillion, five hundred twenty-four billion, six hundred fifty-five million, six hundred forty-two thousand, five hundred eighty-nine".