40412205 has 24 divisors (see below), whose sum is σ = 70267392. Its totient is φ = 21485664.

The previous prime is 40412191. The next prime is 40412209. The reversal of 40412205 is 50221404.

It is not a de Polignac number, because 40412205 - 2²⁰ = 39363629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15292 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (2927808).

Almost surely, 2^40412205 is an apocalyptic number.

40412205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40412205 is a deficient number, since it is larger than the sum of its proper divisors (29855187).

40412205 is a wasteful number, since it uses less digits than its factorization.

40412205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825 (or 2822 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40412205 is about 6357.0594617323. The cubic root of 40412205 is about 343.1659446297.

Adding to 40412205 its reverse (50221404), we get a palindrome (90633609).

The spelling of 40412205 in words is "forty million, four hundred twelve thousand, two hundred five".