240489540980771 has 2 divisors, whose sum is σ = 240489540980772. Its totient is φ = 240489540980770.

The previous prime is 240489540980743. The next prime is 240489540980783. The reversal of 240489540980771 is 177089045984042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240489540980771 - 2¹⁰ = 240489540979747 is a prime.

It is a super-2 number, since 2×240489540980771² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240489540980371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120244770490385 + 120244770490386.

It is an arithmetic number, because the mean of its divisors is an integer number (120244770490386).

Almost surely, 2^{240489540980771} is an apocalyptic number.

240489540980771 is a deficient number, since it is larger than the sum of its proper divisors (1).

240489540980771 is an equidigital number, since it uses as much as digits as its factorization.

240489540980771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162570240, while the sum is 68.

The spelling of 240489540980771 in words is "two hundred forty trillion, four hundred eighty-nine billion, five hundred forty million, nine hundred eighty thousand, seven hundred seventy-one".