40236173553559 has 2 divisors, whose sum is σ = 40236173553560. Its totient is φ = 40236173553558.

The previous prime is 40236173553557. The next prime is 40236173553607. The reversal of 40236173553559 is 95535537163204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40236173553559 - 2¹ = 40236173553557 is a prime.

Together with 40236173553557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40236173553551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20118086776779 + 20118086776780.

It is an arithmetic number, because the mean of its divisors is an integer number (20118086776780).

Almost surely, 2^{40236173553559} is an apocalyptic number.

40236173553559 is a deficient number, since it is larger than the sum of its proper divisors (1).

40236173553559 is an equidigital number, since it uses as much as digits as its factorization.

40236173553559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030000, while the sum is 58.

The spelling of 40236173553559 in words is "forty trillion, two hundred thirty-six billion, one hundred seventy-three million, five hundred fifty-three thousand, five hundred fifty-nine".