65304840356 has 18 divisors (see below), whose sum is σ = 132941996838. Its totient is φ = 27987788640.

The previous prime is 65304840353. The next prime is 65304840389.

It is a happy number.

65304840356 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 33970176100 + 31334664256 = 184310^2 + 177016^2 .

It is not an unprimeable number, because it can be changed into a prime (65304840353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166593785 + ... + 166594176.

It is an arithmetic number, because the mean of its divisors is an integer number (7385666491).

Almost surely, 2^65304840356 is an apocalyptic number.

It is an amenable number.

65304840356 is an abundant number, since it is smaller than the sum of its proper divisors (67637156482).

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

65304840356 is a wasteful number, since it uses less digits than its factorization.

65304840356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333187979 (or 333187970 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 65304840356 in words is "sixty-five billion, three hundred four million, eight hundred forty thousand, three hundred fifty-six".