44678065207221 has 28 divisors (see below), whose sum is σ = 69898908985248. Its totient is φ = 28490360411304.

The previous prime is 44678065207207. The next prime is 44678065207271. The reversal of 44678065207221 is 12270256087644.

44678065207221 is a `hidden beast` number, since 4 + 46 + 7 + 8 + 0 + 6 + 520 + 72 + 2 + 1 = 666.

44678065207221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44678065207221 - 2⁷ = 44678065207093 is a prime.

It is a super-2 number, since 2×44678065207221² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44678065207271) 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 27 ways as a sum of consecutive naturals, for example, 1332304615 + ... + 1332338148.

It is an arithmetic number, because the mean of its divisors is an integer number (2496389606616).

Almost surely, 2^{44678065207221} is an apocalyptic number.

It is an amenable number.

44678065207221 is a deficient number, since it is larger than the sum of its proper divisors (25220843778027).

44678065207221 is an equidigital number, since it uses as much as digits as its factorization.

44678065207221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664642804 (or 2664642789 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 44678065207221 in words is "forty-four trillion, six hundred seventy-eight billion, sixty-five million, two hundred seven thousand, two hundred twenty-one".