40138885316727 has 32 divisors (see below), whose sum is σ = 61007539024320. Its totient is φ = 26067096000000.

The previous prime is 40138885316713. The next prime is 40138885316731. The reversal of 40138885316727 is 72761358883104.

It is a happy number.

40138885316727 is a `hidden beast` number, since 4 + 0 + 1 + 38 + 8 + 8 + 531 + 67 + 2 + 7 = 666.

It is not a de Polignac number, because 40138885316727 - 2¹⁴ = 40138885300343 is a prime.

It is a super-2 number, since 2×40138885316727² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40138885316737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26695774 + ... + 28159227.

It is an arithmetic number, because the mean of its divisors is an integer number (1906485594510).

Almost surely, 2^{40138885316727} is an apocalyptic number.

40138885316727 is a deficient number, since it is larger than the sum of its proper divisors (20868653707593).

40138885316727 is a wasteful number, since it uses less digits than its factorization.

40138885316727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54855712 (or 54855706 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 40138885316727 in words is "forty trillion, one hundred thirty-eight billion, eight hundred eighty-five million, three hundred sixteen thousand, seven hundred twenty-seven".