40010731072165 has 48 divisors (see below), whose sum is σ = 57748662707904. Its totient is φ = 26516603500800.

The previous prime is 40010731072163. The next prime is 40010731072177. The reversal of 40010731072165 is 56127013701004.

40010731072165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40010731072165 - 2¹ = 40010731072163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40010731072163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17538031 + ... + 19687660.

It is an arithmetic number, because the mean of its divisors is an integer number (1203097139748).

Almost surely, 2^{40010731072165} is an apocalyptic number.

It is an amenable number.

40010731072165 is a deficient number, since it is larger than the sum of its proper divisors (17737931635739).

40010731072165 is a wasteful number, since it uses less digits than its factorization.

40010731072165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37225858 (or 37225851 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

Adding to 40010731072165 its reverse (56127013701004), we get a palindrome (96137744773169).

The spelling of 40010731072165 in words is "forty trillion, ten billion, seven hundred thirty-one million, seventy-two thousand, one hundred sixty-five".