40242003 has 4 divisors (see below), whose sum is σ = 53656008. Its totient is φ = 26828000.

The previous prime is 40241989. The next prime is 40242079. The reversal of 40242003 is 30024204.

It is a happy number.

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 40242003 - 2¹⁰ = 40240979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40242403) 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, 6706998 + ... + 6707003.

It is an arithmetic number, because the mean of its divisors is an integer number (13414002).

Almost surely, 2^40242003 is an apocalyptic number.

40242003 is a deficient number, since it is larger than the sum of its proper divisors (13414005).

40242003 is a wasteful number, since it uses less digits than its factorization.

40242003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13414004.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40242003 is about 6343.6584870247. The cubic root of 40242003 is about 342.6835019301.

Adding to 40242003 its reverse (30024204), we get a palindrome (70266207).

The spelling of 40242003 in words is "forty million, two hundred forty-two thousand, three".