65240343769344 has 72 divisors (see below), whose sum is σ = 173638491280800. Its totient is φ = 21746275934208.

The previous prime is 65240343769319. The next prime is 65240343769387. The reversal of 65240343769344 is 44396734304256.

65240343769344 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32840107 + ... + 34770005.

Almost surely, 2^{65240343769344} is an apocalyptic number.

65240343769344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65240343769344 is an abundant number, since it is smaller than the sum of its proper divisors (108398147511456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65240343769344 is a wasteful number, since it uses less digits than its factorization.

65240343769344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973935 (or 1973921 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 60.

The spelling of 65240343769344 in words is "sixty-five trillion, two hundred forty billion, three hundred forty-three million, seven hundred sixty-nine thousand, three hundred forty-four".