240365653441 has 3 divisors (see below), whose sum is σ = 240366143713. Its totient is φ = 240365163170.

The previous prime is 240365653399. The next prime is 240365653499. The reversal of 240365653441 is 144356563042.

It is a happy number.

The square root of 240365653441 is 490271.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 240365653441 - 2¹³ = 240365645249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240365653141) 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 in 2 ways as a sum of consecutive naturals, for example, 245136 + ... + 735406.

Almost surely, 2^240365653441 is an apocalyptic number.

240365653441 is the 490271-st square number.

240365653441 is the 245136-th centered octagonal number.

It is an amenable number.

240365653441 is a deficient number, since it is larger than the sum of its proper divisors (490272).

240365653441 is an frugal number, since it uses more digits than its factorization.

240365653441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980542 (or 490271 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 240365653441 in words is "two hundred forty billion, three hundred sixty-five million, six hundred fifty-three thousand, four hundred forty-one".