2440232281 has 2 divisors, whose sum is σ = 2440232282. Its totient is φ = 2440232280.

The previous prime is 2440232233. The next prime is 2440232321. The reversal of 2440232281 is 1822320442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2077901056 + 362331225 = 45584^2 + 19035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440232281 - 2²⁵ = 2406677849 is a prime.

It is a super-2 number, since 2×2440232281² = 11909467170468925922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2440232981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220116140 + 1220116141.

It is an arithmetic number, because the mean of its divisors is an integer number (1220116141).

Almost surely, 2^2440232281 is an apocalyptic number.

It is an amenable number.

2440232281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440232281 is an equidigital number, since it uses as much as digits as its factorization.

2440232281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2440232281 is about 49398.7072806566. The cubic root of 2440232281 is about 1346.3058182258.

The spelling of 2440232281 in words is "two billion, four hundred forty million, two hundred thirty-two thousand, two hundred eighty-one".