220404400444 has 48 divisors (see below), whose sum is σ = 422419548096. Its totient is φ = 100207411200.

The previous prime is 220404400423. The next prime is 220404400453. The reversal of 220404400444 is 444004404022.

220404400444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96597 + ... + 670924.

It is an arithmetic number, because the mean of its divisors is an integer number (8800407252).

Almost surely, 2^220404400444 is an apocalyptic number.

It is an amenable number.

220404400444 is a deficient number, since it is larger than the sum of its proper divisors (202015147652).

220404400444 is a wasteful number, since it uses less digits than its factorization.

220404400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767686 (or 767684 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 220404400444 its reverse (444004404022), we get a palindrome (664408804466).

The spelling of 220404400444 in words is "two hundred twenty billion, four hundred four million, four hundred thousand, four hundred forty-four".