404504955 has 16 divisors (see below), whose sum is σ = 719120160. Its totient is φ = 215735904.

The previous prime is 404504941. The next prime is 404504993. The reversal of 404504955 is 559405404.

It is not a de Polignac number, because 404504955 - 2⁴ = 404504939 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1498032 + ... + 1498301.

It is an arithmetic number, because the mean of its divisors is an integer number (44945010).

Almost surely, 2^404504955 is an apocalyptic number.

404504955 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

404504955 is a deficient number, since it is larger than the sum of its proper divisors (314615205).

404504955 is a wasteful number, since it uses less digits than its factorization.

404504955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996347 (or 2996341 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 404504955 is about 20112.3085447693. The cubic root of 404504955 is about 739.5620460676.

The spelling of 404504955 in words is "four hundred four million, five hundred four thousand, nine hundred fifty-five".