40200736391 has 2 divisors, whose sum is σ = 40200736392. Its totient is φ = 40200736390.

The previous prime is 40200736379. The next prime is 40200736501. The reversal of 40200736391 is 19363700204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40200736391 - 2¹⁸ = 40200474247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40200736321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100368195 + 20100368196.

It is an arithmetic number, because the mean of its divisors is an integer number (20100368196).

Almost surely, 2^40200736391 is an apocalyptic number.

40200736391 is a deficient number, since it is larger than the sum of its proper divisors (1).

40200736391 is an equidigital number, since it uses as much as digits as its factorization.

40200736391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 40200736391 in words is "forty billion, two hundred million, seven hundred thirty-six thousand, three hundred ninety-one".