40421303 has 16 divisors (see below), whose sum is σ = 47308800. Its totient is φ = 34201440.

The previous prime is 40421299. The next prime is 40421309. The reversal of 40421303 is 30312404.

It is not a de Polignac number, because 40421303 - 2² = 40421299 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 (40421309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5018 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (2956800).

Almost surely, 2^40421303 is an apocalyptic number.

40421303 is a deficient number, since it is larger than the sum of its proper divisors (6887497).

40421303 is a wasteful number, since it uses less digits than its factorization.

40421303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40421303 is about 6357.7750038830. The cubic root of 40421303 is about 343.1916950146.

Adding to 40421303 its reverse (30312404), we get a palindrome (70733707).

The spelling of 40421303 in words is "forty million, four hundred twenty-one thousand, three hundred three".