240542045353 has 2 divisors, whose sum is σ = 240542045354. Its totient is φ = 240542045352.

The previous prime is 240542045291. The next prime is 240542045383. The reversal of 240542045353 is 353540245042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215283936169 + 25258109184 = 463987^2 + 158928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240542045353 is a prime.

It is not a weakly prime, because it can be changed into another prime (240542045383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120271022676 + 120271022677.

It is an arithmetic number, because the mean of its divisors is an integer number (120271022677).

Almost surely, 2^240542045353 is an apocalyptic number.

It is an amenable number.

240542045353 is a deficient number, since it is larger than the sum of its proper divisors (1).

240542045353 is an equidigital number, since it uses as much as digits as its factorization.

240542045353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 37.

The spelling of 240542045353 in words is "two hundred forty billion, five hundred forty-two million, forty-five thousand, three hundred fifty-three".