40116603 has 4 divisors (see below), whose sum is σ = 53488808. Its totient is φ = 26744400.

The previous prime is 40116563. The next prime is 40116607. The reversal of 40116603 is 30661104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40116603 - 2⁹ = 40116091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40116603.

It is not an unprimeable number, because it can be changed into a prime (40116607) 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, 6686098 + ... + 6686103.

It is an arithmetic number, because the mean of its divisors is an integer number (13372202).

Almost surely, 2^40116603 is an apocalyptic number.

40116603 is a deficient number, since it is larger than the sum of its proper divisors (13372205).

40116603 is a wasteful number, since it uses less digits than its factorization.

40116603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372204.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40116603 is about 6333.7668886690. The cubic root of 40116603 is about 342.3271808262.

Adding to 40116603 its reverse (30661104), we get a palindrome (70777707).

The spelling of 40116603 in words is "forty million, one hundred sixteen thousand, six hundred three".