40604163 has 4 divisors (see below), whose sum is σ = 54138888. Its totient is φ = 27069440.

The previous prime is 40604111. The next prime is 40604167. The reversal of 40604163 is 36140604.

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 40604163 - 2⁸ = 40603907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40604167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6767358 + ... + 6767363.

It is an arithmetic number, because the mean of its divisors is an integer number (13534722).

Almost surely, 2^40604163 is an apocalyptic number.

40604163 is a deficient number, since it is larger than the sum of its proper divisors (13534725).

40604163 is a wasteful number, since it uses less digits than its factorization.

40604163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534724.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40604163 is about 6372.1395935745. The cubic root of 40604163 is about 343.7084327479.

Adding to 40604163 its reverse (36140604), we get a palindrome (76744767).

The spelling of 40604163 in words is "forty million, six hundred four thousand, one hundred sixty-three".