2240042501 has 2 divisors, whose sum is σ = 2240042502. Its totient is φ = 2240042500.

The previous prime is 2240042489. The next prime is 2240042521. The reversal of 2240042501 is 1052400422.

It is a happy number.

It is an a-pointer prime, because the next prime (2240042521) can be obtained adding 2240042501 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1366780900 + 873261601 = 36970^2 + 29551^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240042501 - 2¹⁰ = 2240041477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240042521) 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 as a sum of consecutive naturals, namely, 1120021250 + 1120021251.

It is an arithmetic number, because the mean of its divisors is an integer number (1120021251).

Almost surely, 2^2240042501 is an apocalyptic number.

It is an amenable number.

2240042501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240042501 is an equidigital number, since it uses as much as digits as its factorization.

2240042501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2240042501 is about 47329.0872614294. The cubic root of 2240042501 is about 1308.4347992367.

Adding to 2240042501 its reverse (1052400422), we get a palindrome (3292442923).

The spelling of 2240042501 in words is "two billion, two hundred forty million, forty-two thousand, five hundred one".