441728353 has 4 divisors (see below), whose sum is σ = 481885488. Its totient is φ = 401571220.

The previous prime is 441728351. The next prime is 441728381. The reversal of 441728353 is 353827144.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 441728353 - 2¹ = 441728351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441728351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20078551 + ... + 20078572.

It is an arithmetic number, because the mean of its divisors is an integer number (120471372).

Almost surely, 2^441728353 is an apocalyptic number.

It is an amenable number.

441728353 is a deficient number, since it is larger than the sum of its proper divisors (40157135).

441728353 is a wasteful number, since it uses less digits than its factorization.

441728353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40157134.

The product of its digits is 80640, while the sum is 37.

The square root of 441728353 is about 21017.3345836241. The cubic root of 441728353 is about 761.5850765186.

It can be divided in two parts, 44172 and 8353, that added together give a palindrome (52525).

The spelling of 441728353 in words is "four hundred forty-one million, seven hundred twenty-eight thousand, three hundred fifty-three".