40052050205 has 4 divisors (see below), whose sum is σ = 48062460252. Its totient is φ = 32041640160.

The previous prime is 40052050187. The next prime is 40052050211. The reversal of 40052050205 is 50205025004.

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 27695949241 + 12356100964 = 166421^2 + 111158^2 .

It is not a de Polignac number, because 40052050205 - 2⁸ = 40052049949 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, 4005205016 + ... + 4005205025.

It is an arithmetic number, because the mean of its divisors is an integer number (12015615063).

Almost surely, 2^40052050205 is an apocalyptic number.

It is an amenable number.

40052050205 is a deficient number, since it is larger than the sum of its proper divisors (8010410047).

40052050205 is an equidigital number, since it uses as much as digits as its factorization.

40052050205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010410046.

The product of its (nonzero) digits is 2000, while the sum is 23.

Adding to 40052050205 its reverse (50205025004), we get a palindrome (90257075209).

The spelling of 40052050205 in words is "forty billion, fifty-two million, fifty thousand, two hundred five".