404571045 has 16 divisors (see below), whose sum is σ = 647563392. Its totient is φ = 215688000.

The previous prime is 404571031. The next prime is 404571077. The reversal of 404571045 is 540175404.

It is not a de Polignac number, because 404571045 - 2⁷ = 404570917 is a prime.

It is a Curzon number.

It is a congruent number.

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, 70795 + ... + 76295.

It is an arithmetic number, because the mean of its divisors is an integer number (40472712).

Almost surely, 2^404571045 is an apocalyptic number.

It is an amenable number.

404571045 is a deficient number, since it is larger than the sum of its proper divisors (242992347).

404571045 is a wasteful number, since it uses less digits than its factorization.

404571045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 404571045 is about 20113.9515013833. The cubic root of 404571045 is about 739.6023216302.

The spelling of 404571045 in words is "four hundred four million, five hundred seventy-one thousand, forty-five".