404010444 has 24 divisors (see below), whose sum is σ = 943022080. Its totient is φ = 134622864.

The previous prime is 404010421. The next prime is 404010473. The reversal of 404010444 is 444010404.

It is a super-2 number, since 2×404010444² = 326448877722154272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404010444.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 53877 + ... + 60915.

Almost surely, 2^404010444 is an apocalyptic number.

It is an amenable number.

404010444 is an abundant number, since it is smaller than the sum of its proper divisors (539011636).

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

404010444 is a wasteful number, since it uses less digits than its factorization.

404010444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11829 (or 11827 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404010444 is about 20100.0110447731. The cubic root of 404010444 is about 739.2605493893.

Adding to 404010444 its reverse (444010404), we get a palindrome (848020848).

The spelling of 404010444 in words is "four hundred four million, ten thousand, four hundred forty-four".