40541105005 has 4 divisors (see below), whose sum is σ = 48649326012. Its totient is φ = 32432884000.

The previous prime is 40541104991. The next prime is 40541105021. The reversal of 40541105005 is 50050114504.

It is a happy number.

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 30355047529 + 10186057476 = 174227^2 + 100926^2 .

It is not a de Polignac number, because 40541105005 - 2¹⁵ = 40541072237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4054110496 + ... + 4054110505.

It is an arithmetic number, because the mean of its divisors is an integer number (12162331503).

Almost surely, 2^40541105005 is an apocalyptic number.

It is an amenable number.

40541105005 is a deficient number, since it is larger than the sum of its proper divisors (8108221007).

40541105005 is an equidigital number, since it uses as much as digits as its factorization.

40541105005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8108221006.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 40541105005 its reverse (50050114504), we get a palindrome (90591219509).

The spelling of 40541105005 in words is "forty billion, five hundred forty-one million, one hundred five thousand, five".