240156757042747 has 2 divisors, whose sum is σ = 240156757042748. Its totient is φ = 240156757042746.

The previous prime is 240156757042721. The next prime is 240156757042751. The reversal of 240156757042747 is 747240757651042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240156757042747 is a prime.

It is not a weakly prime, because it can be changed into another prime (240156757052747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120078378521373 + 120078378521374.

It is an arithmetic number, because the mean of its divisors is an integer number (120078378521374).

Almost surely, 2^{240156757042747} is an apocalyptic number.

240156757042747 is a deficient number, since it is larger than the sum of its proper divisors (1).

240156757042747 is an equidigital number, since it uses as much as digits as its factorization.

240156757042747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92198400, while the sum is 61.

The spelling of 240156757042747 in words is "two hundred forty trillion, one hundred fifty-six billion, seven hundred fifty-seven million, forty-two thousand, seven hundred forty-seven".