404130452 has 12 divisors (see below), whose sum is σ = 771521856. Its totient is φ = 183695640.

The previous prime is 404130451. The next prime is 404130473. The reversal of 404130452 is 254031404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404130451) 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 in 3 ways as a sum of consecutive naturals, for example, 4592348 + ... + 4592435.

It is an arithmetic number, because the mean of its divisors is an integer number (64293488).

Almost surely, 2^404130452 is an apocalyptic number.

It is an amenable number.

404130452 is a deficient number, since it is larger than the sum of its proper divisors (367391404).

404130452 is a wasteful number, since it uses less digits than its factorization.

404130452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184798 (or 9184796 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404130452 is about 20102.9960951098. The cubic root of 404130452 is about 739.3337392441. Note that the first 3 decimals are identical.

Adding to 404130452 its reverse (254031404), we get a palindrome (658161856).

The spelling of 404130452 in words is "four hundred four million, one hundred thirty thousand, four hundred fifty-two".