404244444220 has 48 divisors (see below), whose sum is σ = 901944408960. Its totient is φ = 151755695424.

The previous prime is 404244444173. The next prime is 404244444221. The reversal of 404244444220 is 22444442404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404244444221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4930374 + ... + 5011693.

It is an arithmetic number, because the mean of its divisors is an integer number (18790508520).

Almost surely, 2^404244444220 is an apocalyptic number.

It is an amenable number.

404244444220 is an abundant number, since it is smaller than the sum of its proper divisors (497699964740).

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

404244444220 is a wasteful number, since it uses less digits than its factorization.

404244444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942202 (or 9942200 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 404244444220 its reverse (22444442404), we get a palindrome (426688886624).

The spelling of 404244444220 in words is "four hundred four billion, two hundred forty-four million, four hundred forty-four thousand, two hundred twenty".