40530241 has 4 divisors (see below), whose sum is σ = 40549572. Its totient is φ = 40510912.

The previous prime is 40530223. The next prime is 40530247. The reversal of 40530241 is 14203504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5779216 + 34751025 = 2404^2 + 5895^2 .

It is a cyclic number.

It is not a de Polignac number, because 40530241 - 2⁹ = 40529729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40530247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6076 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (10137393).

Almost surely, 2^40530241 is an apocalyptic number.

It is an amenable number.

40530241 is a deficient number, since it is larger than the sum of its proper divisors (19331).

40530241 is a wasteful number, since it uses less digits than its factorization.

40530241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19330.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40530241 is about 6366.3365446699. The cubic root of 40530241 is about 343.4997263236.

Adding to 40530241 its reverse (14203504), we get a palindrome (54733745).

The spelling of 40530241 in words is "forty million, five hundred thirty thousand, two hundred forty-one".