403404045 has 16 divisors (see below), whose sum is σ = 704123712. Its totient is φ = 195589760.

The previous prime is 403404013. The next prime is 403404047. The reversal of 403404045 is 540404304.

It is not a de Polignac number, because 403404045 - 2⁵ = 403404013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403404047) 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 15 ways as a sum of consecutive naturals, for example, 1222272 + ... + 1222601.

It is an arithmetic number, because the mean of its divisors is an integer number (44007732).

Almost surely, 2^403404045 is an apocalyptic number.

It is an amenable number.

403404045 is a deficient number, since it is larger than the sum of its proper divisors (300719667).

403404045 is a wasteful number, since it uses less digits than its factorization.

403404045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444892.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 403404045 is about 20084.9208362891. The cubic root of 403404045 is about 738.8905001022.

Adding to 403404045 its reverse (540404304), we get a palindrome (943808349).

The spelling of 403404045 in words is "four hundred three million, four hundred four thousand, forty-five".