40434303 has 32 divisors (see below), whose sum is σ = 68164096. Its totient is φ = 20746368.

The previous prime is 40434281. The next prime is 40434307. The reversal of 40434303 is 30343404.

It is not a de Polignac number, because 40434303 - 2⁸ = 40434047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40434303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8100 + ... + 12102.

It is an arithmetic number, because the mean of its divisors is an integer number (2130128).

Almost surely, 2^40434303 is an apocalyptic number.

40434303 is a deficient number, since it is larger than the sum of its proper divisors (27729793).

40434303 is a wasteful number, since it uses less digits than its factorization.

40434303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 40434303 is about 6358.7972919413. The cubic root of 40434303 is about 343.2284826612.

Adding to 40434303 its reverse (30343404), we get a palindrome (70777707).

The spelling of 40434303 in words is "forty million, four hundred thirty-four thousand, three hundred three".