40438236762127 has 16 divisors (see below), whose sum is σ = 42751508986368. Its totient is φ = 38173785265440.

The previous prime is 40438236762109. The next prime is 40438236762151. The reversal of 40438236762127 is 72126763283404.

It is a cyclic number.

It is not a de Polignac number, because 40438236762127 - 2¹¹ = 40438236760079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40438236762827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28435149 + ... + 29823382.

It is an arithmetic number, because the mean of its divisors is an integer number (2671969311648).

Almost surely, 2^{40438236762127} is an apocalyptic number.

40438236762127 is a deficient number, since it is larger than the sum of its proper divisors (2313272224241).

40438236762127 is a wasteful number, since it uses less digits than its factorization.

40438236762127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58258950.

The product of its (nonzero) digits is 16257024, while the sum is 55.

The spelling of 40438236762127 in words is "forty trillion, four hundred thirty-eight billion, two hundred thirty-six million, seven hundred sixty-two thousand, one hundred twenty-seven".