40502243 has 8 divisors (see below), whose sum is σ = 42697920. Its totient is φ = 38313000.

The previous prime is 40502239. The next prime is 40502303. The reversal of 40502243 is 34220504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40502243 - 2² = 40502239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40505243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16868 + ... + 19118.

It is an arithmetic number, because the mean of its divisors is an integer number (5337240).

Almost surely, 2^40502243 is an apocalyptic number.

40502243 is a deficient number, since it is larger than the sum of its proper divisors (2195677).

40502243 is a wasteful number, since it uses less digits than its factorization.

40502243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40502243 is about 6364.1372549624. The cubic root of 40502243 is about 343.4206123874.

Adding to 40502243 its reverse (34220504), we get a palindrome (74722747).

The spelling of 40502243 in words is "forty million, five hundred two thousand, two hundred forty-three".