44521812544 has 42 divisors (see below), whose sum is σ = 97109770982. Its totient is φ = 20237184000.

The previous prime is 44521812523. The next prime is 44521812553.

It is a happy number.

44521812544 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 39553254400 + 4968558144 = 198880^2 + 70488^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44521812497 and 44521812506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2866857 + ... + 2882344.

Almost surely, 2^44521812544 is an apocalyptic number.

44521812544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44521812544 is an abundant number, since it is smaller than the sum of its proper divisors (52587958438).

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

44521812544 is a wasteful number, since it uses less digits than its factorization.

44521812544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749235 (or 5749214 counting only the distinct ones).

The product of its digits is 204800, while the sum is 40.

The spelling of 44521812544 in words is "forty-four billion, five hundred twenty-one million, eight hundred twelve thousand, five hundred forty-four".