404442000220 has 24 divisors (see below), whose sum is σ = 850432690800. Its totient is φ = 161566420992.

The previous prime is 404442000199. The next prime is 404442000251. The reversal of 404442000220 is 22000244404.

It is a junction number, because it is equal to n+sod(n) for n = 404442000191 and 404442000200.

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, 13132930 + ... + 13163689.

It is an arithmetic number, because the mean of its divisors is an integer number (35434695450).

Almost surely, 2^404442000220 is an apocalyptic number.

It is an amenable number.

404442000220 is an abundant number, since it is smaller than the sum of its proper divisors (445990690580).

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

404442000220 is a wasteful number, since it uses less digits than its factorization.

404442000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26297397 (or 26297395 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 404442000220 its reverse (22000244404), we get a palindrome (426442244624).

The spelling of 404442000220 in words is "four hundred four billion, four hundred forty-two million, two hundred twenty", and thus it is an aban number.