2440544261 has 2 divisors, whose sum is σ = 2440544262. Its totient is φ = 2440544260.

The previous prime is 2440544221. The next prime is 2440544297. The reversal of 2440544261 is 1624450442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2400412036 + 40132225 = 48994^2 + 6335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440544261 - 2¹⁴ = 2440527877 is a prime.

It is a super-2 number, since 2×2440544261² = 11912512579800072242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440544221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220272130 + 1220272131.

It is an arithmetic number, because the mean of its divisors is an integer number (1220272131).

Almost surely, 2^2440544261 is an apocalyptic number.

It is an amenable number.

2440544261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440544261 is an equidigital number, since it uses as much as digits as its factorization.

2440544261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 2440544261 is about 49401.8649546755. The cubic root of 2440544261 is about 1346.3631901673.

The spelling of 2440544261 in words is "two billion, four hundred forty million, five hundred forty-four thousand, two hundred sixty-one".