404844408448 has 32 divisors (see below), whose sum is σ = 806683980960. Its totient is φ = 202382546688.

The previous prime is 404844408443. The next prime is 404844408461. The reversal of 404844408448 is 844804448404.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×404844408448² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404844408395 and 404844408404.

It is not an unprimeable number, because it can be changed into a prime (404844408443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351565 + ... + 966067.

It is an arithmetic number, because the mean of its divisors is an integer number (25208874405).

Almost surely, 2^404844408448 is an apocalyptic number.

It is an amenable number.

404844408448 is a deficient number, since it is larger than the sum of its proper divisors (401839572512).

404844408448 is an equidigital number, since it uses as much as digits as its factorization.

404844408448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619664 (or 619652 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 52.

The spelling of 404844408448 in words is "four hundred four billion, eight hundred forty-four million, four hundred eight thousand, four hundred forty-eight".