240552235021157 has 2 divisors, whose sum is σ = 240552235021158. Its totient is φ = 240552235021156.

The previous prime is 240552235021117. The next prime is 240552235021159. The reversal of 240552235021157 is 751120532255042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225524525340676 + 15027709680481 = 15017474^2 + 3876559^2 .

It is a cyclic number.

It is not a de Polignac number, because 240552235021157 - 2⁴⁰ = 239452723393381 is a prime.

Together with 240552235021159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240552235021159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120276117510578 + 120276117510579.

It is an arithmetic number, because the mean of its divisors is an integer number (120276117510579).

Almost surely, 2^{240552235021157} is an apocalyptic number.

It is an amenable number.

240552235021157 is a deficient number, since it is larger than the sum of its proper divisors (1).

240552235021157 is an equidigital number, since it uses as much as digits as its factorization.

240552235021157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840000, while the sum is 44.

Adding to 240552235021157 its reverse (751120532255042), we get a palindrome (991672767276199).

The spelling of 240552235021157 in words is "two hundred forty trillion, five hundred fifty-two billion, two hundred thirty-five million, twenty-one thousand, one hundred fifty-seven".