404044023220 has 48 divisors (see below), whose sum is σ = 853741425600. Its totient is φ = 160618883840.

The previous prime is 404044023217. The next prime is 404044023311. The reversal of 404044023220 is 22320440404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6128391 + ... + 6193969.

It is an arithmetic number, because the mean of its divisors is an integer number (17786279700).

Almost surely, 2^404044023220 is an apocalyptic number.

It is an amenable number.

404044023220 is an abundant number, since it is smaller than the sum of its proper divisors (449697402380).

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

404044023220 is a wasteful number, since it uses less digits than its factorization.

404044023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67488 (or 67486 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 404044023220 its reverse (22320440404), we get a palindrome (426364463624).

The spelling of 404044023220 in words is "four hundred four billion, forty-four million, twenty-three thousand, two hundred twenty".