240966639157 has 2 divisors, whose sum is σ = 240966639158. Its totient is φ = 240966639156.

The previous prime is 240966639041. The next prime is 240966639161. The reversal of 240966639157 is 751936669042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196843956241 + 44122682916 = 443671^2 + 210054^2 .

It is a cyclic number.

It is not a de Polignac number, because 240966639157 - 2¹⁵ = 240966606389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240966639197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120483319578 + 120483319579.

It is an arithmetic number, because the mean of its divisors is an integer number (120483319579).

Almost surely, 2^240966639157 is an apocalyptic number.

It is an amenable number.

240966639157 is a deficient number, since it is larger than the sum of its proper divisors (1).

240966639157 is an equidigital number, since it uses as much as digits as its factorization.

240966639157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 240966639157 in words is "two hundred forty billion, nine hundred sixty-six million, six hundred thirty-nine thousand, one hundred fifty-seven".