2440254389 has 2 divisors, whose sum is σ = 2440254390. Its totient is φ = 2440254388.

The previous prime is 2440254367. The next prime is 2440254449. The reversal of 2440254389 is 9834520442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2425562500 + 14691889 = 49250^2 + 3833^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440254389 - 2⁸ = 2440254133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440254889) 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, 1220127194 + 1220127195.

It is an arithmetic number, because the mean of its divisors is an integer number (1220127195).

Almost surely, 2^2440254389 is an apocalyptic number.

It is an amenable number.

2440254389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440254389 is an equidigital number, since it uses as much as digits as its factorization.

2440254389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 2440254389 is about 49398.9310511877. The cubic root of 2440254389 is about 1346.3098839643.

The spelling of 2440254389 in words is "two billion, four hundred forty million, two hundred fifty-four thousand, three hundred eighty-nine".