404044408 has 8 divisors (see below), whose sum is σ = 757583280. Its totient is φ = 202022200.

The previous prime is 404044393. The next prime is 404044409. The reversal of 404044408 is 804440404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404044409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252768 + ... + 25252783.

It is an arithmetic number, because the mean of its divisors is an integer number (94697910).

Almost surely, 2^404044408 is an apocalyptic number.

It is an amenable number.

404044408 is a deficient number, since it is larger than the sum of its proper divisors (353538872).

404044408 is a wasteful number, since it uses less digits than its factorization.

404044408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50505557 (or 50505553 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 404044408 is about 20100.8559021749. The cubic root of 404044408 is about 739.2812646473.

The spelling of 404044408 in words is "four hundred four million, forty-four thousand, four hundred eight".