404411322 has 64 divisors (see below), whose sum is σ = 959569920. Its totient is φ = 111174336.

The previous prime is 404411309. The next prime is 404411339. The reversal of 404411322 is 223114404.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665943 + ... + 666549.

It is an arithmetic number, because the mean of its divisors is an integer number (14993280).

Almost surely, 2^404411322 is an apocalyptic number.

404411322 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 404411322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479784960).

404411322 is an abundant number, since it is smaller than the sum of its proper divisors (555158598).

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

404411322 is a wasteful number, since it uses less digits than its factorization.

404411322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 404411322 is about 20109.9806563806. The cubic root of 404411322 is about 739.5049781579.

Adding to 404411322 its reverse (223114404), we get a palindrome (627525726).

The spelling of 404411322 in words is "four hundred four million, four hundred eleven thousand, three hundred twenty-two".