404045063 has 4 divisors (see below), whose sum is σ = 404132280. Its totient is φ = 403957848.

The previous prime is 404045027. The next prime is 404045077. The reversal of 404045063 is 360540404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404045063 - 2¹⁸ = 403782919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404045093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36245 + ... + 46062.

It is an arithmetic number, because the mean of its divisors is an integer number (101033070).

Almost surely, 2^404045063 is an apocalyptic number.

404045063 is a deficient number, since it is larger than the sum of its proper divisors (87217).

404045063 is an equidigital number, since it uses as much as digits as its factorization.

404045063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87216.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 404045063 is about 20100.8721950069. The cubic root of 404045063 is about 739.2816641322.

Adding to 404045063 its reverse (360540404), we get a palindrome (764585467).

The spelling of 404045063 in words is "four hundred four million, forty-five thousand, sixty-three".