2240340853 has 2 divisors, whose sum is σ = 2240340854. Its totient is φ = 2240340852.

The previous prime is 2240340847. The next prime is 2240340871. The reversal of 2240340853 is 3580430422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1608170404 + 632170449 = 40102^2 + 25143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240340853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240340353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120170426 + 1120170427.

It is an arithmetic number, because the mean of its divisors is an integer number (1120170427).

Almost surely, 2^2240340853 is an apocalyptic number.

It is an amenable number.

2240340853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240340853 is an equidigital number, since it uses as much as digits as its factorization.

2240340853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2240340853 is about 47332.2390448624. The cubic root of 2240340853 is about 1308.4928869455.

The spelling of 2240340853 in words is "two billion, two hundred forty million, three hundred forty thousand, eight hundred fifty-three".