404500045 has 8 divisors (see below), whose sum is σ = 486211320. Its totient is φ = 323059200.

The previous prime is 404500043. The next prime is 404500073. The reversal of 404500045 is 540005404.

It can be written as a sum of positive squares in 4 ways, for example, as 138744841 + 265755204 = 11779^2 + 16302^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404500045 - 2¹ = 404500043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404499989 and 404500025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404500043) 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 7 ways as a sum of consecutive naturals, for example, 64300 + ... + 70309.

It is an arithmetic number, because the mean of its divisors is an integer number (60776415).

Almost surely, 2^404500045 is an apocalyptic number.

It is an amenable number.

404500045 is a deficient number, since it is larger than the sum of its proper divisors (81711275).

404500045 is a wasteful number, since it uses less digits than its factorization.

404500045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135215.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 404500045 is about 20112.1864798435. The cubic root of 404500045 is about 739.5590537151.

Adding to 404500045 its reverse (540005404), we get a palindrome (944505449).

The spelling of 404500045 in words is "four hundred four million, five hundred thousand, forty-five".