2240009791 has 2 divisors, whose sum is σ = 2240009792. Its totient is φ = 2240009790.

The previous prime is 2240009771. The next prime is 2240009831. The reversal of 2240009791 is 1979000422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240009791 - 2⁷ = 2240009663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240009771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120004895 + 1120004896.

It is an arithmetic number, because the mean of its divisors is an integer number (1120004896).

Almost surely, 2^2240009791 is an apocalyptic number.

2240009791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240009791 is an equidigital number, since it uses as much as digits as its factorization.

2240009791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 2240009791 is about 47328.7417010002. The cubic root of 2240009791 is about 1308.4284304423.

The spelling of 2240009791 in words is "two billion, two hundred forty million, nine thousand, seven hundred ninety-one".