404100002 has 4 divisors (see below), whose sum is σ = 606150006. Its totient is φ = 202050000.

The previous prime is 404100001. The next prime is 404100017. The reversal of 404100002 is 200001404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 301057201 + 103042801 = 17351^2 + 10151^2 .

It is not an unprimeable number, because it can be changed into a prime (404100001) by changing a digit.

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, 101024999 + ... + 101025002.

Almost surely, 2^404100002 is an apocalyptic number.

404100002 is a deficient number, since it is larger than the sum of its proper divisors (202050004).

404100002 is a wasteful number, since it uses less digits than its factorization.

404100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202050003.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 404100002 is about 20102.2387310468. The cubic root of 404100002 is about 739.3151699284.

Adding to 404100002 its reverse (200001404), we get a palindrome (604101406).

The spelling of 404100002 in words is "four hundred four million, one hundred thousand, two".