2340242645 has 8 divisors (see below), whose sum is σ = 3024313656. Its totient is φ = 1728179136.

The previous prime is 2340242603. The next prime is 2340242647. The reversal of 2340242645 is 5462420432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113252164 + 2226990481 = 10642^2 + 47191^2 .

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 2340242645 - 2⁶ = 2340242581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340242647) 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 in 7 ways as a sum of consecutive naturals, for example, 18001802 + ... + 18001931.

It is an arithmetic number, because the mean of its divisors is an integer number (378039207).

Almost surely, 2^2340242645 is an apocalyptic number.

It is an amenable number.

2340242645 is a deficient number, since it is larger than the sum of its proper divisors (684071011).

2340242645 is a wasteful number, since it uses less digits than its factorization.

2340242645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36003751.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 2340242645 is about 48376.0544587919. The cubic root of 2340242645 is about 1327.6602814214.

The spelling of 2340242645 in words is "two billion, three hundred forty million, two hundred forty-two thousand, six hundred forty-five".