205040414 has 16 divisors (see below), whose sum is σ = 316521216. Its totient is φ = 99567000.

The previous prime is 205040413. The next prime is 205040447. The reversal of 205040414 is 414040502.

205040414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205040413) 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, 3989 + ... + 20639.

It is an arithmetic number, because the mean of its divisors is an integer number (19782576).

Almost surely, 2^205040414 is an apocalyptic number.

205040414 is a deficient number, since it is larger than the sum of its proper divisors (111480802).

205040414 is a wasteful number, since it uses less digits than its factorization.

205040414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16831.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 205040414 is about 14319.2323118245. The cubic root of 205040414 is about 589.6755987418.

Adding to 205040414 its reverse (414040502), we get a palindrome (619080916).

The spelling of 205040414 in words is "two hundred five million, forty thousand, four hundred fourteen".