220040424444 has 24 divisors (see below), whose sum is σ = 516502078848. Its totient is φ = 72907605040.

The previous prime is 220040424431. The next prime is 220040424451. The reversal of 220040424444 is 444424040022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54898302 + ... + 54902309.

It is an arithmetic number, because the mean of its divisors is an integer number (21520919952).

Almost surely, 2^220040424444 is an apocalyptic number.

It is an amenable number.

220040424444 is an abundant number, since it is smaller than the sum of its proper divisors (296461654404).

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

220040424444 is a wasteful number, since it uses less digits than its factorization.

220040424444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109800785 (or 109800783 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 220040424444 its reverse (444424040022), we get a palindrome (664464464466).

The spelling of 220040424444 in words is "two hundred twenty billion, forty million, four hundred twenty-four thousand, four hundred forty-four".