40302003 has 32 divisors (see below), whose sum is σ = 64576512. Its totient is φ = 21859200.

The previous prime is 40302001. The next prime is 40302011. The reversal of 40302003 is 30020304.

It is not a de Polignac number, because 40302003 - 2¹ = 40302001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40302003.

It is not an unprimeable number, because it can be changed into a prime (40302001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87193 + ... + 87653.

It is an arithmetic number, because the mean of its divisors is an integer number (2018016).

Almost surely, 2^40302003 is an apocalyptic number.

40302003 is a deficient number, since it is larger than the sum of its proper divisors (24274509).

40302003 is a wasteful number, since it uses less digits than its factorization.

40302003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 40302003 is about 6348.3858578382. The cubic root of 40302003 is about 342.8537287110.

Adding to 40302003 its reverse (30020304), we get a palindrome (70322307).

The spelling of 40302003 in words is "forty million, three hundred two thousand, three".