235156240417 has 16 divisors (see below), whose sum is σ = 269027816832. Its totient is φ = 201354249600.

The previous prime is 235156240369. The next prime is 235156240421. The reversal of 235156240417 is 714042651532.

It is a de Polignac number, because none of the positive numbers 2^k-235156240417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235156240417.

It is not an unprimeable number, because it can be changed into a prime (235156270417) 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 15 ways as a sum of consecutive naturals, for example, 42192843 + ... + 42198415.

It is an arithmetic number, because the mean of its divisors is an integer number (16814238552).

Almost surely, 2^235156240417 is an apocalyptic number.

It is an amenable number.

235156240417 is a deficient number, since it is larger than the sum of its proper divisors (33871576415).

235156240417 is a wasteful number, since it uses less digits than its factorization.

235156240417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10728.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 235156240417 its reverse (714042651532), we get a palindrome (949198891949).

The spelling of 235156240417 in words is "two hundred thirty-five billion, one hundred fifty-six million, two hundred forty thousand, four hundred seventeen".