65044364418 has 64 divisors (see below), whose sum is σ = 157720780800. Its totient is φ = 19705729680.

The previous prime is 65044364401. The next prime is 65044364447. The reversal of 65044364418 is 81446344056.

65044364418 is a `hidden beast` number, since 6 + 504 + 43 + 64 + 41 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3125355 + ... + 3146097.

It is an arithmetic number, because the mean of its divisors is an integer number (2464387200).

Almost surely, 2^65044364418 is an apocalyptic number.

65044364418 is an abundant number, since it is smaller than the sum of its proper divisors (92676416382).

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

65044364418 is a wasteful number, since it uses less digits than its factorization.

65044364418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26044 (or 26038 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 65044364418 in words is "sixty-five billion, forty-four million, three hundred sixty-four thousand, four hundred eighteen".