40042200220205 has 8 divisors (see below), whose sum is σ = 50877148515192. Its totient is φ = 30149421342208.

The previous prime is 40042200220097. The next prime is 40042200220207. The reversal of 40042200220205 is 50202200224004.

It can be written as a sum of positive squares in 4 ways, for example, as 1446261191236 + 38595939028969 = 1202606^2 + 6212563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40042200220205 - 2⁸ = 40042200219949 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 (40042200220207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235542354152 + ... + 235542354321.

It is an arithmetic number, because the mean of its divisors is an integer number (6359643564399).

Almost surely, 2^{40042200220205} is an apocalyptic number.

It is an amenable number.

40042200220205 is a deficient number, since it is larger than the sum of its proper divisors (10834948294987).

40042200220205 is a wasteful number, since it uses less digits than its factorization.

40042200220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471084708495.

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 40042200220205 its reverse (50202200224004), we get a palindrome (90244400444209).

The spelling of 40042200220205 in words is "forty trillion, forty-two billion, two hundred million, two hundred twenty thousand, two hundred five".