10404040403 has 16 divisors (see below), whose sum is σ = 10802168832. Its totient is φ = 10013544000.

The previous prime is 10404040393. The next prime is 10404040421. The reversal of 10404040403 is 30404040401.

It is a cyclic number.

It is not a de Polignac number, because 10404040403 - 2²⁰ = 10402991827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10404040433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139888 + ... + 1148978.

It is an arithmetic number, because the mean of its divisors is an integer number (675135552).

Almost surely, 2^10404040403 is an apocalyptic number.

10404040403 is a deficient number, since it is larger than the sum of its proper divisors (398128429).

10404040403 is a wasteful number, since it uses less digits than its factorization.

10404040403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10404040403 its reverse (30404040401), we get a palindrome (40808080804).

The spelling of 10404040403 in words is "ten billion, four hundred four million, forty thousand, four hundred three".