40504103 has 4 divisors (see below), whose sum is σ = 40582368. Its totient is φ = 40425840.

The previous prime is 40504099. The next prime is 40504133. The reversal of 40504103 is 30140504.

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 40504103 - 2² = 40504099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40504133) 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, 38351 + ... + 39392.

It is an arithmetic number, because the mean of its divisors is an integer number (10145592).

Almost surely, 2^40504103 is an apocalyptic number.

40504103 is a deficient number, since it is larger than the sum of its proper divisors (78265).

40504103 is an equidigital number, since it uses as much as digits as its factorization.

40504103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78264.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40504103 is about 6364.2833846396. The cubic root of 40504103 is about 343.4258693189.

Adding to 40504103 its reverse (30140504), we get a palindrome (70644607).

The spelling of 40504103 in words is "forty million, five hundred four thousand, one hundred three".