65044244056 has 48 divisors (see below), whose sum is σ = 135283024800. Its totient is φ = 29294274240.

The previous prime is 65044244047. The next prime is 65044244059.

It is a happy number.

65044244056 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65044244056² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65044244059) 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 11 ways as a sum of consecutive naturals, for example, 202720 + ... + 413743.

It is an arithmetic number, because the mean of its divisors is an integer number (2818396350).

Almost surely, 2^65044244056 is an apocalyptic number.

It is an amenable number.

65044244056 is an abundant number, since it is smaller than the sum of its proper divisors (70238780744).

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

65044244056 is a wasteful number, since it uses less digits than its factorization.

65044244056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616600 (or 616585 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 65044244056 in words is "sixty-five billion, forty-four million, two hundred forty-four thousand, fifty-six".