404455413 has 16 divisors (see below), whose sum is σ = 568166400. Its totient is φ = 255216240.

The previous prime is 404455411. The next prime is 404455421. The reversal of 404455413 is 314554404.

It is not a de Polignac number, because 404455413 - 2¹ = 404455411 is a prime.

It is a super-2 number, since 2×404455413² = 327168362210001138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404455411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79558 + ... + 84488.

It is an arithmetic number, because the mean of its divisors is an integer number (35510400).

Almost surely, 2^404455413 is an apocalyptic number.

It is an amenable number.

404455413 is a deficient number, since it is larger than the sum of its proper divisors (163710987).

404455413 is a wasteful number, since it uses less digits than its factorization.

404455413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 404455413 is about 20111.0768732060. The cubic root of 404455413 is about 739.5318520586.

The spelling of 404455413 in words is "four hundred four million, four hundred fifty-five thousand, four hundred thirteen".