44521217445 has 32 divisors (see below), whose sum is σ = 71622835200. Its totient is φ = 23615230464.

The previous prime is 44521217401. The next prime is 44521217453. The reversal of 44521217445 is 54471212544.

It is not a de Polignac number, because 44521217445 - 2⁸ = 44521217189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3770611 + ... + 3782399.

It is an arithmetic number, because the mean of its divisors is an integer number (2238213600).

Almost surely, 2^44521217445 is an apocalyptic number.

It is an amenable number.

44521217445 is a deficient number, since it is larger than the sum of its proper divisors (27101617755).

44521217445 is a wasteful number, since it uses less digits than its factorization.

44521217445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149.

The product of its digits is 179200, while the sum is 39.

Adding to 44521217445 its reverse (54471212544), we get a palindrome (98992429989).

The spelling of 44521217445 in words is "forty-four billion, five hundred twenty-one million, two hundred seventeen thousand, four hundred forty-five".