44648284645 has 16 divisors (see below), whose sum is σ = 57799960560. Its totient is φ = 32983235584.

The previous prime is 44648284627. The next prime is 44648284649. The reversal of 44648284645 is 54648284644.

It can be written as a sum of positive squares in 8 ways, for example, as 629307396 + 44018977249 = 25086^2 + 209807^2 .

It is a cyclic number.

It is not a de Polignac number, because 44648284645 - 2¹¹ = 44648282597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44648284649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4950910 + ... + 4959919.

It is an arithmetic number, because the mean of its divisors is an integer number (3612497535).

Almost surely, 2^44648284645 is an apocalyptic number.

It is an amenable number.

44648284645 is a deficient number, since it is larger than the sum of its proper divisors (13151675915).

44648284645 is a wasteful number, since it uses less digits than its factorization.

44648284645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9910904.

The product of its digits is 23592960, while the sum is 55.

Subtracting 44648284645 from its reverse (54648284644), we obtain a palindrome (9999999999).

The spelling of 44648284645 in words is "forty-four billion, six hundred forty-eight million, two hundred eighty-four thousand, six hundred forty-five".