404102404 has 6 divisors (see below), whose sum is σ = 707179214. Its totient is φ = 202051200.

The previous prime is 404102401. The next prime is 404102411. The reversal of 404102404 is 404201404.

It can be written as a sum of positive squares in only one way, i.e., 388484100 + 15618304 = 19710^2 + 3952^2 .

It is not an unprimeable number, because it can be changed into a prime (404102401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50512797 + ... + 50512804.

Almost surely, 2^404102404 is an apocalyptic number.

It is an amenable number.

404102404 is a deficient number, since it is larger than the sum of its proper divisors (303076810).

404102404 is a wasteful number, since it uses less digits than its factorization.

404102404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101025605 (or 101025603 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 404102404 is about 20102.2984755475. The cubic root of 404102404 is about 739.3166347734.

Adding to 404102404 its reverse (404201404), we get a palindrome (808303808).

The spelling of 404102404 in words is "four hundred four million, one hundred two thousand, four hundred four".