404010045 has 16 divisors (see below), whose sum is σ = 718240320. Its totient is φ = 215471952.

The previous prime is 404010037. The next prime is 404010059. The reversal of 404010045 is 540010404.

It is not a de Polignac number, because 404010045 - 2³ = 404010037 is a prime.

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, 1496199 + ... + 1496468.

It is an arithmetic number, because the mean of its divisors is an integer number (44890020).

Almost surely, 2^404010045 is an apocalyptic number.

404010045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404010045 is a deficient number, since it is larger than the sum of its proper divisors (314230275).

404010045 is a wasteful number, since it uses less digits than its factorization.

404010045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992681 (or 2992675 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 404010045 is about 20100.0011194030. The cubic root of 404010045 is about 739.2603060251.

Adding to 404010045 its reverse (540010404), we get a palindrome (944020449).

The spelling of 404010045 in words is "four hundred four million, ten thousand, forty-five".