444002413 has 4 divisors (see below), whose sum is σ = 470120220. Its totient is φ = 417884608.

The previous prime is 444002411. The next prime is 444002417. The reversal of 444002413 is 314200444.

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 392119204 + 51883209 = 19802^2 + 7203^2 .

It is a cyclic number.

It is not a de Polignac number, because 444002413 - 2¹ = 444002411 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 (444002411) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13058878 + ... + 13058911.

It is an arithmetic number, because the mean of its divisors is an integer number (117530055).

Almost surely, 2^444002413 is an apocalyptic number.

It is an amenable number.

444002413 is a deficient number, since it is larger than the sum of its proper divisors (26117807).

444002413 is a wasteful number, since it uses less digits than its factorization.

444002413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26117806.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 444002413 is about 21071.3647635838. The cubic root of 444002413 is about 762.8897446020.

Adding to 444002413 its reverse (314200444), we get a palindrome (758202857).

The spelling of 444002413 in words is "four hundred forty-four million, two thousand, four hundred thirteen".