404044368 has 160 divisors (see below), whose sum is σ = 1293417216. Its totient is φ = 105836544.

The previous prime is 404044351. The next prime is 404044369. The reversal of 404044368 is 863440404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404044369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017546 + ... + 1017942.

Almost surely, 2^404044368 is an apocalyptic number.

404044368 is a gapful number since it is divisible by the number (48) 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 404044368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646708608).

404044368 is an abundant number, since it is smaller than the sum of its proper divisors (889372848).

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

404044368 is a wasteful number, since it uses less digits than its factorization.

404044368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 655 counting only the distinct ones).

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

The square root of 404044368 is about 20100.8549071924. The cubic root of 404044368 is about 739.2812402512.

The spelling of 404044368 in words is "four hundred four million, forty-four thousand, three hundred sixty-eight".