404102205 has 48 divisors (see below), whose sum is σ = 778692096. Its totient is φ = 192516480.

The previous prime is 404102201. The next prime is 404102213. The reversal of 404102205 is 502201404.

It is not a de Polignac number, because 404102205 - 2² = 404102201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404102201) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6994 + ... + 29276.

It is an arithmetic number, because the mean of its divisors is an integer number (16222752).

Almost surely, 2^404102205 is an apocalyptic number.

404102205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404102205 is a deficient number, since it is larger than the sum of its proper divisors (374589891).

404102205 is a wasteful number, since it uses less digits than its factorization.

404102205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338 (or 22335 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 404102205 is about 20102.2935258642. The cubic root of 404102205 is about 739.3165134147.

Adding to 404102205 its reverse (502201404), we get a palindrome (906303609).

The spelling of 404102205 in words is "four hundred four million, one hundred two thousand, two hundred five".