40163205 has 16 divisors (see below), whose sum is σ = 65076480. Its totient is φ = 21148608.

The previous prime is 40163191. The next prime is 40163237. The reversal of 40163205 is 50236104.

It is a happy number.

40163205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40163205 - 2²² = 35968901 is a prime.

It is a super-2 number, since 2×40163205² = 3226166071744050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15762 + ... + 18131.

It is an arithmetic number, because the mean of its divisors is an integer number (4067280).

Almost surely, 2^40163205 is an apocalyptic number.

It is an amenable number.

40163205 is a deficient number, since it is larger than the sum of its proper divisors (24913275).

40163205 is a wasteful number, since it uses less digits than its factorization.

40163205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33980.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40163205 is about 6337.4446743147. Note that the first 3 decimals coincide. The cubic root of 40163205 is about 342.4596858796.

Adding to 40163205 its reverse (50236104), we get a palindrome (90399309).

The spelling of 40163205 in words is "forty million, one hundred sixty-three thousand, two hundred five".