404205044 has 12 divisors (see below), whose sum is σ = 708752100. Its totient is φ = 201704448.

The previous prime is 404204989. The next prime is 404205071. The reversal of 404205044 is 440502404.

It can be written as a sum of positive squares in 2 ways, for example, as 296252944 + 107952100 = 17212^2 + 10390^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97229 + ... + 101300.

It is an arithmetic number, because the mean of its divisors is an integer number (59062675).

Almost surely, 2^404205044 is an apocalyptic number.

It is an amenable number.

404205044 is a deficient number, since it is larger than the sum of its proper divisors (304547056).

404205044 is a wasteful number, since it uses less digits than its factorization.

404205044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199042 (or 199040 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 404205044 is about 20104.8512553563. The cubic root of 404205044 is about 739.3792237235.

Adding to 404205044 its reverse (440502404), we get a palindrome (844707448).

The spelling of 404205044 in words is "four hundred four million, two hundred five thousand, forty-four".