220404040134 has 16 divisors (see below), whose sum is σ = 440878448640. Its totient is φ = 73456285320.

The previous prime is 220404040117. The next prime is 220404040139. The reversal of 220404040134 is 431040404022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220404040139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2891254 + ... + 2966505.

It is an arithmetic number, because the mean of its divisors is an integer number (27554903040).

Almost surely, 2^220404040134 is an apocalyptic number.

220404040134 is an abundant number, since it is smaller than the sum of its proper divisors (220474408506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220404040134 is a wasteful number, since it uses less digits than its factorization.

220404040134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864035.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 220404040134 its reverse (431040404022), we get a palindrome (651444444156).

The spelling of 220404040134 in words is "two hundred twenty billion, four hundred four million, forty thousand, one hundred thirty-four".