240243313045 has 8 divisors (see below), whose sum is σ = 290128231224. Its totient is φ = 190970480064.

The previous prime is 240243313019. The next prime is 240243313069. The reversal of 240243313045 is 540313342042.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 77716615729 + 162526697316 = 278777^2 + 403146^2 .

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 240243313045 - 2¹⁷ = 240243181973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240243312998 and 240243313016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153020434 + ... + 153022003.

It is an arithmetic number, because the mean of its divisors is an integer number (36266028903).

Almost surely, 2^240243313045 is an apocalyptic number.

It is an amenable number.

240243313045 is a deficient number, since it is larger than the sum of its proper divisors (49884918179).

240243313045 is a wasteful number, since it uses less digits than its factorization.

240243313045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306042599.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 240243313045 its reverse (540313342042), we get a palindrome (780556655087).

The spelling of 240243313045 in words is "two hundred forty billion, two hundred forty-three million, three hundred thirteen thousand, forty-five".