404444922 has 48 divisors (see below), whose sum is σ = 944472672. Its totient is φ = 115123680.

The previous prime is 404444863. The next prime is 404444987. The reversal of 404444922 is 229444404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80772 + ... + 85632.

It is an arithmetic number, because the mean of its divisors is an integer number (19676514).

Almost surely, 2^404444922 is an apocalyptic number.

404444922 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 404444922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472236336).

404444922 is an abundant number, since it is smaller than the sum of its proper divisors (540027750).

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

404444922 is a wasteful number, since it uses less digits than its factorization.

404444922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163 (or 5156 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 404444922 is about 20110.8160451037. The cubic root of 404444922 is about 739.5254578674.

The spelling of 404444922 in words is "four hundred four million, four hundred forty-four thousand, nine hundred twenty-two".