44521641 has 24 divisors (see below), whose sum is σ = 68090880. Its totient is φ = 27984096.

The previous prime is 44521639. The next prime is 44521649. The reversal of 44521641 is 14612544.

44521641 is a `hidden beast` number, since 445 + 216 + 4 + 1 = 666.

44521641 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 44521641 - 2¹ = 44521639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44521649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9240 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (2837120).

Almost surely, 2^44521641 is an apocalyptic number.

It is an amenable number.

44521641 is a deficient number, since it is larger than the sum of its proper divisors (23569239).

44521641 is a wasteful number, since it uses less digits than its factorization.

44521641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4042 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 44521641 is about 6672.4538964312. The cubic root of 44521641 is about 354.4244883902.

The spelling of 44521641 in words is "forty-four million, five hundred twenty-one thousand, six hundred forty-one".