240595246943689 has 9 divisors (see below), whose sum is σ = 264456120134829. Its totient is φ = 218722796655660.

The previous prime is 240595246943683. The next prime is 240595246943713. The reversal of 240595246943689 is 986349642595042.

The square root of 240595246943689 is 15511133.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 240595246943689 - 2⁴³ = 231799153921481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240595246943683) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 169917412 + ... + 171327514.

Almost surely, 2^{240595246943689} is an apocalyptic number.

240595246943689 is the 15511133-rd square number.

240595246943689 is the 7755567-th centered octagonal number.

It is an amenable number.

240595246943689 is a deficient number, since it is larger than the sum of its proper divisors (23860873191140).

240595246943689 is an frugal number, since it uses more digits than its factorization.

240595246943689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820228 (or 1410114 counting only the distinct ones).

The product of its (nonzero) digits is 4031078400, while the sum is 76.

The spelling of 240595246943689 in words is "two hundred forty trillion, five hundred ninety-five billion, two hundred forty-six million, nine hundred forty-three thousand, six hundred eighty-nine".