240045107759957 has 2 divisors, whose sum is σ = 240045107759958. Its totient is φ = 240045107759956.

The previous prime is 240045107759953. The next prime is 240045107759987. The reversal of 240045107759957 is 759957701540042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231142337729956 + 8902770030001 = 15203366^2 + 2983751^2 .

It is a cyclic number.

It is not a de Polignac number, because 240045107759957 - 2² = 240045107759953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240045107759893 and 240045107759902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240045107759953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120022553879978 + 120022553879979.

It is an arithmetic number, because the mean of its divisors is an integer number (120022553879979).

Almost surely, 2^{240045107759957} is an apocalyptic number.

It is an amenable number.

240045107759957 is a deficient number, since it is larger than the sum of its proper divisors (1).

240045107759957 is an equidigital number, since it uses as much as digits as its factorization.

240045107759957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132000, while the sum is 65.

The spelling of 240045107759957 in words is "two hundred forty trillion, forty-five billion, one hundred seven million, seven hundred fifty-nine thousand, nine hundred fifty-seven".