240534230132957 has 2 divisors, whose sum is σ = 240534230132958. Its totient is φ = 240534230132956.

The previous prime is 240534230132951. The next prime is 240534230133013. The reversal of 240534230132957 is 759231032435042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134322675934756 + 106211554198201 = 11589766^2 + 10305899^2 .

It is a cyclic number.

It is not a de Polignac number, because 240534230132957 - 2¹² = 240534230128861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240534230132951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120267115066478 + 120267115066479.

It is an arithmetic number, because the mean of its divisors is an integer number (120267115066479).

Almost surely, 2^{240534230132957} is an apocalyptic number.

It is an amenable number.

240534230132957 is a deficient number, since it is larger than the sum of its proper divisors (1).

240534230132957 is an equidigital number, since it uses as much as digits as its factorization.

240534230132957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 50.

Adding to 240534230132957 its reverse (759231032435042), we get a palindrome (999765262567999).

The spelling of 240534230132957 in words is "two hundred forty trillion, five hundred thirty-four billion, two hundred thirty million, one hundred thirty-two thousand, nine hundred fifty-seven".