404020442220 has 24 divisors (see below), whose sum is σ = 1131257238384. Its totient is φ = 107738784576.

The previous prime is 404020442213. The next prime is 404020442237. The reversal of 404020442220 is 22244020404.

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, 3366836959 + ... + 3366837078.

It is an arithmetic number, because the mean of its divisors is an integer number (47135718266).

Almost surely, 2^404020442220 is an apocalyptic number.

It is an amenable number.

404020442220 is an abundant number, since it is smaller than the sum of its proper divisors (727236796164).

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

404020442220 is a wasteful number, since it uses less digits than its factorization.

404020442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733674049 (or 6733674047 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404020442220 its reverse (22244020404), we get a palindrome (426264462624).

The spelling of 404020442220 in words is "four hundred four billion, twenty million, four hundred forty-two thousand, two hundred twenty".