40500165001 has 4 divisors (see below), whose sum is σ = 40538052100. Its totient is φ = 40462277904.

The previous prime is 40500164959. The next prime is 40500165007. The reversal of 40500165001 is 10056100504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30388856976 + 10111308025 = 174324^2 + 100555^2 .

It is a cyclic number.

It is not a de Polignac number, because 40500165001 - 2²¹ = 40498067849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40500165007) 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 3 ways as a sum of consecutive naturals, for example, 18941946 + ... + 18944083.

It is an arithmetic number, because the mean of its divisors is an integer number (10134513025).

Almost surely, 2^40500165001 is an apocalyptic number.

It is an amenable number.

40500165001 is a deficient number, since it is larger than the sum of its proper divisors (37887099).

40500165001 is a wasteful number, since it uses less digits than its factorization.

40500165001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37887098.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 40500165001 its reverse (10056100504), we get a palindrome (50556265505).

The spelling of 40500165001 in words is "forty billion, five hundred million, one hundred sixty-five thousand, one".