404204044220 has 24 divisors (see below), whose sum is σ = 856340254224. Its totient is φ = 160250806016.

The previous prime is 404204044219. The next prime is 404204044241. The reversal of 404204044220 is 22440402404.

It is a self number, because there is not a number n which added to its sum of digits gives 404204044220.

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, 89423414 + ... + 89427933.

It is an arithmetic number, because the mean of its divisors is an integer number (35680843926).

Almost surely, 2^404204044220 is an apocalyptic number.

It is an amenable number.

404204044220 is an abundant number, since it is smaller than the sum of its proper divisors (452136210004).

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

404204044220 is a wasteful number, since it uses less digits than its factorization.

404204044220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178851469 (or 178851467 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 404204044220 its reverse (22440402404), we get a palindrome (426644446624).

The spelling of 404204044220 in words is "four hundred four billion, two hundred four million, forty-four thousand, two hundred twenty".