40549987327 has 2 divisors, whose sum is σ = 40549987328. Its totient is φ = 40549987326.

The previous prime is 40549987319. The next prime is 40549987337. The reversal of 40549987327 is 72378994504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40549987327 - 2³ = 40549987319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40549987337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20274993663 + 20274993664.

It is an arithmetic number, because the mean of its divisors is an integer number (20274993664).

Almost surely, 2^40549987327 is an apocalyptic number.

40549987327 is a deficient number, since it is larger than the sum of its proper divisors (1).

40549987327 is an equidigital number, since it uses as much as digits as its factorization.

40549987327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 40549987327 in words is "forty billion, five hundred forty-nine million, nine hundred eighty-seven thousand, three hundred twenty-seven".