240043235153 has 4 divisors (see below), whose sum is σ = 240381801780. Its totient is φ = 239704668528.

The previous prime is 240043235137. The next prime is 240043235161. The reversal of 240043235153 is 351532340042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68802863809 + 171240371344 = 262303^2 + 413812^2 .

It is a cyclic number.

It is not a de Polignac number, because 240043235153 - 2⁴ = 240043235137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240043265153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169282250 + ... + 169283667.

It is an arithmetic number, because the mean of its divisors is an integer number (60095450445).

Almost surely, 2^240043235153 is an apocalyptic number.

It is an amenable number.

240043235153 is a deficient number, since it is larger than the sum of its proper divisors (338566627).

240043235153 is an equidigital number, since it uses as much as digits as its factorization.

240043235153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338566626.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 240043235153 its reverse (351532340042), we get a palindrome (591575575195).

The spelling of 240043235153 in words is "two hundred forty billion, forty-three million, two hundred thirty-five thousand, one hundred fifty-three".