240041689 has 2 divisors, whose sum is σ = 240041690. Its totient is φ = 240041688.

The previous prime is 240041663. The next prime is 240041707. The reversal of 240041689 is 986140042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171400464 + 68641225 = 13092^2 + 8285^2 .

It is a cyclic number.

It is not a de Polignac number, because 240041689 - 2⁹ = 240041177 is a prime.

It is not a weakly prime, because it can be changed into another prime (240041629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120020844 + 120020845.

It is an arithmetic number, because the mean of its divisors is an integer number (120020845).

Almost surely, 2^240041689 is an apocalyptic number.

It is an amenable number.

240041689 is a deficient number, since it is larger than the sum of its proper divisors (1).

240041689 is an equidigital number, since it uses as much as digits as its factorization.

240041689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 240041689 is about 15493.2788330940. The cubic root of 240041689 is about 621.4824817231.

The spelling of 240041689 in words is "two hundred forty million, forty-one thousand, six hundred eighty-nine".