404021441022 has 32 divisors (see below), whose sum is σ = 834851308032. Its totient is φ = 130249334304.

The previous prime is 404021441009. The next prime is 404021441029. The reversal of 404021441022 is 220144120404.

It is a junction number, because it is equal to n+sod(n) for n = 404021440983 and 404021441001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404021441029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5411778 + ... + 5485925.

It is an arithmetic number, because the mean of its divisors is an integer number (26089103376).

Almost surely, 2^404021441022 is an apocalyptic number.

404021441022 is an abundant number, since it is smaller than the sum of its proper divisors (430829867010).

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

404021441022 is a wasteful number, since it uses less digits than its factorization.

404021441022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897912.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 404021441022 its reverse (220144120404), we get a palindrome (624165561426).

The spelling of 404021441022 in words is "four hundred four billion, twenty-one million, four hundred forty-one thousand, twenty-two".