40104403 has 4 divisors (see below), whose sum is σ = 40253760. Its totient is φ = 39955048.

The previous prime is 40104397. The next prime is 40104431. The reversal of 40104403 is 30440104.

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 40104403 - 2⁹ = 40103891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40104443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74275 + ... + 74812.

It is an arithmetic number, because the mean of its divisors is an integer number (10063440).

Almost surely, 2^40104403 is an apocalyptic number.

40104403 is a deficient number, since it is larger than the sum of its proper divisors (149357).

40104403 is a wasteful number, since it uses less digits than its factorization.

40104403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149356.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40104403 is about 6332.8037234704. The cubic root of 40104403 is about 342.2924752036.

Adding to 40104403 its reverse (30440104), we get a palindrome (70544507).

The spelling of 40104403 in words is "forty million, one hundred four thousand, four hundred three".