40535885636039 has 2 divisors, whose sum is σ = 40535885636040. Its totient is φ = 40535885636038.

The previous prime is 40535885636021. The next prime is 40535885636131. The reversal of 40535885636039 is 93063658853504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40535885636039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40535885636009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20267942818019 + 20267942818020.

It is an arithmetic number, because the mean of its divisors is an integer number (20267942818020).

Almost surely, 2^{40535885636039} is an apocalyptic number.

40535885636039 is a deficient number, since it is larger than the sum of its proper divisors (1).

40535885636039 is an equidigital number, since it uses as much as digits as its factorization.

40535885636039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936000, while the sum is 65.

The spelling of 40535885636039 in words is "forty trillion, five hundred thirty-five billion, eight hundred eighty-five million, six hundred thirty-six thousand, thirty-nine".