440552241521 has 8 divisors (see below), whose sum is σ = 503519683200. Its totient is φ = 377592651648.

The previous prime is 440552241511. The next prime is 440552241527. The reversal of 440552241521 is 125142255044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440552241521 - 2¹⁴ = 440552225137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (440552241527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842221 + ... + 2067578.

It is an arithmetic number, because the mean of its divisors is an integer number (62939960400).

Almost surely, 2^440552241521 is an apocalyptic number.

It is an amenable number.

440552241521 is a deficient number, since it is larger than the sum of its proper divisors (62967441679).

440552241521 is a wasteful number, since it uses less digits than its factorization.

440552241521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925903.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 440552241521 its reverse (125142255044), we get a palindrome (565694496565).

The spelling of 440552241521 in words is "four hundred forty billion, five hundred fifty-two million, two hundred forty-one thousand, five hundred twenty-one".