2440240651 has 2 divisors, whose sum is σ = 2440240652. Its totient is φ = 2440240650.

The previous prime is 2440240603. The next prime is 2440240667. The reversal of 2440240651 is 1560420442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2440240651 - 2⁹ = 2440240139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2446240651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220120325 + 1220120326.

It is an arithmetic number, because the mean of its divisors is an integer number (1220120326).

Almost surely, 2^2440240651 is an apocalyptic number.

2440240651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440240651 is an equidigital number, since it uses as much as digits as its factorization.

2440240651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2440240651 is about 49398.7919994001. The cubic root of 2440240651 is about 1346.3073575010.

The spelling of 2440240651 in words is "two billion, four hundred forty million, two hundred forty thousand, six hundred fifty-one".