404231344 has 40 divisors (see below), whose sum is σ = 856976400. Its totient is φ = 183187200.

The previous prime is 404231339. The next prime is 404231353. The reversal of 404231344 is 443132404.

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, 58134 + ... + 64714.

It is an arithmetic number, because the mean of its divisors is an integer number (21424410).

Almost surely, 2^404231344 is an apocalyptic number.

404231344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404231344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428488200).

404231344 is an abundant number, since it is smaller than the sum of its proper divisors (452745056).

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

404231344 is a wasteful number, since it uses less digits than its factorization.

404231344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949 (or 6943 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 404231344 is about 20105.5053157089. The cubic root of 404231344 is about 739.3952595219.

Adding to 404231344 its reverse (443132404), we get a palindrome (847363748).

The spelling of 404231344 in words is "four hundred four million, two hundred thirty-one thousand, three hundred forty-four".