441404413 has 4 divisors (see below), whose sum is σ = 453334300. Its totient is φ = 429474528.

The previous prime is 441404399. The next prime is 441404419. The reversal of 441404413 is 314404144.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178543044 + 262861369 = 13362^2 + 16213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441404413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441404419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5964888 + ... + 5964961.

It is an arithmetic number, because the mean of its divisors is an integer number (113333575).

Almost surely, 2^441404413 is an apocalyptic number.

It is an amenable number.

441404413 is a deficient number, since it is larger than the sum of its proper divisors (11929887).

441404413 is a wasteful number, since it uses less digits than its factorization.

441404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11929886.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 441404413 is about 21009.6266744557. The cubic root of 441404413 is about 761.3988623744.

Adding to 441404413 its reverse (314404144), we get a palindrome (755808557).

The spelling of 441404413 in words is "four hundred forty-one million, four hundred four thousand, four hundred thirteen".