404344402 has 16 divisors (see below), whose sum is σ = 756176832. Its totient is φ = 157536720.

The previous prime is 404344349. The next prime is 404344411. The reversal of 404344402 is 204443404.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1312653 + ... + 1312960.

It is an arithmetic number, because the mean of its divisors is an integer number (47261052).

Almost surely, 2^404344402 is an apocalyptic number.

404344402 is a deficient number, since it is larger than the sum of its proper divisors (351832430).

404344402 is a wasteful number, since it uses less digits than its factorization.

404344402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625633.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 404344402 is about 20108.3167371115. The cubic root of 404344402 is about 739.4641860235.

Adding to 404344402 its reverse (204443404), we get a palindrome (608787806).

The spelling of 404344402 in words is "four hundred four million, three hundred forty-four thousand, four hundred two".