40605303 has 4 divisors (see below), whose sum is σ = 54140408. Its totient is φ = 27070200.

The previous prime is 40605269. The next prime is 40605311. The reversal of 40605303 is 30350604.

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

It is not a de Polignac number, because 40605303 - 2⁶ = 40605239 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 40605303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40605203) 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, 6767548 + ... + 6767553.

It is an arithmetic number, because the mean of its divisors is an integer number (13535102).

Almost surely, 2^40605303 is an apocalyptic number.

40605303 is a deficient number, since it is larger than the sum of its proper divisors (13535105).

40605303 is a wasteful number, since it uses less digits than its factorization.

40605303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535104.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 40605303 is about 6372.2290448477. The cubic root of 40605303 is about 343.7116493634.

Adding to 40605303 its reverse (30350604), we get a palindrome (70955907).

The spelling of 40605303 in words is "forty million, six hundred five thousand, three hundred three".