240252142525555 has 8 divisors (see below), whose sum is σ = 293742242182512. Its totient is φ = 188575266585888.

The previous prime is 240252142525529. The next prime is 240252142525559. The reversal of 240252142525555 is 555525241252042.

It is a happy number.

240252142525555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 240252142525555 - 2²⁵ = 240252108971123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240252142525499 and 240252142525508.

It is not an unprimeable number, because it can be changed into a prime (240252142525559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453305929029 + ... + 453305929558.

It is an arithmetic number, because the mean of its divisors is an integer number (36717780272814).

Almost surely, 2^{240252142525555} is an apocalyptic number.

240252142525555 is a deficient number, since it is larger than the sum of its proper divisors (53490099656957).

240252142525555 is an equidigital number, since it uses as much as digits as its factorization.

240252142525555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906611858645.

The product of its (nonzero) digits is 8000000, while the sum is 49.

Adding to 240252142525555 its reverse (555525241252042), we get a palindrome (795777383777597).

The spelling of 240252142525555 in words is "two hundred forty trillion, two hundred fifty-two billion, one hundred forty-two million, five hundred twenty-five thousand, five hundred fifty-five".