240045107500657 has 2 divisors, whose sum is σ = 240045107500658. Its totient is φ = 240045107500656.

The previous prime is 240045107500453. The next prime is 240045107500687. The reversal of 240045107500657 is 756005701540042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176441914524736 + 63603192975921 = 13283144^2 + 7975161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240045107500657 is a prime.

It is not a weakly prime, because it can be changed into another prime (240045107500687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120022553750328 + 120022553750329.

It is an arithmetic number, because the mean of its divisors is an integer number (120022553750329).

Almost surely, 2^{240045107500657} is an apocalyptic number.

It is an amenable number.

240045107500657 is a deficient number, since it is larger than the sum of its proper divisors (1).

240045107500657 is an equidigital number, since it uses as much as digits as its factorization.

240045107500657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 240045107500657 in words is "two hundred forty trillion, forty-five billion, one hundred seven million, five hundred thousand, six hundred fifty-seven".