2440864345 has 8 divisors (see below), whose sum is σ = 2933037576. Its totient is φ = 1950024576.

The previous prime is 2440864331. The next prime is 2440864379. The reversal of 2440864345 is 5434680442.

It can be written as a sum of positive squares in 4 ways, for example, as 857142729 + 1583721616 = 29277^2 + 39796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2440864345 - 2⁵ = 2440864313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440864298 and 2440864307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329332 + ... + 336661.

It is an arithmetic number, because the mean of its divisors is an integer number (366629697).

Almost surely, 2^2440864345 is an apocalyptic number.

It is an amenable number.

2440864345 is a deficient number, since it is larger than the sum of its proper divisors (492173231).

2440864345 is an equidigital number, since it uses as much as digits as its factorization.

2440864345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666731.

The product of its (nonzero) digits is 368640, while the sum is 40.

The square root of 2440864345 is about 49405.1044427598. The cubic root of 2440864345 is about 1346.4220473224.

The spelling of 2440864345 in words is "two billion, four hundred forty million, eight hundred sixty-four thousand, three hundred forty-five".