2440332481 has 2 divisors, whose sum is σ = 2440332482. Its totient is φ = 2440332480.

The previous prime is 2440332457. The next prime is 2440332487. The reversal of 2440332481 is 1842330442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2023560256 + 416772225 = 44984^2 + 20415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440332481 - 2⁹ = 2440331969 is a prime.

It is a super-2 number, since 2×2440332481² = 11910445235647230722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2440332487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220166240 + 1220166241.

It is an arithmetic number, because the mean of its divisors is an integer number (1220166241).

Almost surely, 2^2440332481 is an apocalyptic number.

It is an amenable number.

2440332481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440332481 is an equidigital number, since it uses as much as digits as its factorization.

2440332481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 2440332481 is about 49399.7214668261. The cubic root of 2440332481 is about 1346.3242451597.

The spelling of 2440332481 in words is "two billion, four hundred forty million, three hundred thirty-two thousand, four hundred eighty-one".