44521665364 has 48 divisors (see below), whose sum is σ = 90346233600. Its totient is φ = 18972508160.

The previous prime is 44521665341. The next prime is 44521665367. The reversal of 44521665364 is 46356612544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44521665367) 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, 76437 + ... + 308035.

It is an arithmetic number, because the mean of its divisors is an integer number (1882213200).

Almost surely, 2^44521665364 is an apocalyptic number.

44521665364 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44521665364 is an abundant number, since it is smaller than the sum of its proper divisors (45824568236).

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

44521665364 is a wasteful number, since it uses less digits than its factorization.

44521665364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231888 (or 231886 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 46.

The spelling of 44521665364 in words is "forty-four billion, five hundred twenty-one million, six hundred sixty-five thousand, three hundred sixty-four".