240518221283 has 2 divisors, whose sum is σ = 240518221284. Its totient is φ = 240518221282.

The previous prime is 240518221219. The next prime is 240518221289. The reversal of 240518221283 is 382122815042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240518221283 - 2⁶ = 240518221219 is a prime.

It is not a weakly prime, because it can be changed into another prime (240518221289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120259110641 + 120259110642.

It is an arithmetic number, because the mean of its divisors is an integer number (120259110642).

Almost surely, 2^240518221283 is an apocalyptic number.

240518221283 is a deficient number, since it is larger than the sum of its proper divisors (1).

240518221283 is an equidigital number, since it uses as much as digits as its factorization.

240518221283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 240518221283 in words is "two hundred forty billion, five hundred eighteen million, two hundred twenty-one thousand, two hundred eighty-three".