40036400647207 has 2 divisors, whose sum is σ = 40036400647208. Its totient is φ = 40036400647206.

The previous prime is 40036400647157. The next prime is 40036400647213. The reversal of 40036400647207 is 70274600463004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40036400647207 - 2³⁵ = 40002040908839 is a prime.

It is a super-3 number, since 3×40036400647207³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40036400645207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018200323603 + 20018200323604.

It is an arithmetic number, because the mean of its divisors is an integer number (20018200323604).

Almost surely, 2^{40036400647207} is an apocalyptic number.

40036400647207 is a deficient number, since it is larger than the sum of its proper divisors (1).

40036400647207 is an equidigital number, since it uses as much as digits as its factorization.

40036400647207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 40036400647207 in words is "forty trillion, thirty-six billion, four hundred million, six hundred forty-seven thousand, two hundred seven".