404130404 has 6 divisors (see below), whose sum is σ = 707228214. Its totient is φ = 202065200.

The previous prime is 404130379. The next prime is 404130439. The reversal of 404130404 is 404031404.

It can be written as a sum of positive squares in only one way, i.e., 404090404 + 40000 = 20102^2 + 200^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50516297 + ... + 50516304.

It is an arithmetic number, because the mean of its divisors is an integer number (117871369).

Almost surely, 2^404130404 is an apocalyptic number.

It is an amenable number.

404130404 is a deficient number, since it is larger than the sum of its proper divisors (303097810).

404130404 is a wasteful number, since it uses less digits than its factorization.

404130404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101032605 (or 101032603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404130404 is about 20102.9949012579. The cubic root of 404130404 is about 739.3337099730. Note that the first 3 decimals are identical.

Adding to 404130404 its reverse (404031404), we get a palindrome (808161808).

The spelling of 404130404 in words is "four hundred four million, one hundred thirty thousand, four hundred four".