2440468181 has 2 divisors, whose sum is σ = 2440468182. Its totient is φ = 2440468180.

The previous prime is 2440468127. The next prime is 2440468189. The reversal of 2440468181 is 1818640442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2116828081 + 323640100 = 46009^2 + 17990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2440468181 is a prime.

It is a super-2 number, since 2×2440468181² = 11911769884946897522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440468189) 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, 1220234090 + 1220234091.

It is an arithmetic number, because the mean of its divisors is an integer number (1220234091).

Almost surely, 2^2440468181 is an apocalyptic number.

It is an amenable number.

2440468181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440468181 is an equidigital number, since it uses as much as digits as its factorization.

2440468181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 2440468181 is about 49401.0949372582. The cubic root of 2440468181 is about 1346.3491997940.

The spelling of 2440468181 in words is "two billion, four hundred forty million, four hundred sixty-eight thousand, one hundred eighty-one".