40236541247537 has 2 divisors, whose sum is σ = 40236541247538. Its totient is φ = 40236541247536.

The previous prime is 40236541247521. The next prime is 40236541247603. The reversal of 40236541247537 is 73574214563204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33426158519296 + 6810382728241 = 5781536^2 + 2609671^2 .

It is a cyclic number.

It is not a de Polignac number, because 40236541247537 - 2⁴ = 40236541247521 is a prime.

It is not a weakly prime, because it can be changed into another prime (40236541247137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20118270623768 + 20118270623769.

It is an arithmetic number, because the mean of its divisors is an integer number (20118270623769).

Almost surely, 2^{40236541247537} is an apocalyptic number.

It is an amenable number.

40236541247537 is a deficient number, since it is larger than the sum of its proper divisors (1).

40236541247537 is an equidigital number, since it uses as much as digits as its factorization.

40236541247537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16934400, while the sum is 53.

The spelling of 40236541247537 in words is "forty trillion, two hundred thirty-six billion, five hundred forty-one million, two hundred forty-seven thousand, five hundred thirty-seven".