4444441402 has 8 divisors (see below), whose sum is σ = 6670514196. Its totient is φ = 2220936672.

The previous prime is 4444441367. The next prime is 4444441439. The reversal of 4444441402 is 2041444444.

It can be written as a sum of positive squares in 2 ways, for example, as 4017151161 + 427290241 = 63381^2 + 20671^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637683 + ... + 644614.

Almost surely, 2^4444441402 is an apocalyptic number.

4444441402 is a deficient number, since it is larger than the sum of its proper divisors (2226072794).

4444441402 is a wasteful number, since it uses less digits than its factorization.

4444441402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284032.

The product of its (nonzero) digits is 32768, while the sum is 31.

The square root of 4444441402 is about 66666.6438483294. The cubic root of 4444441402 is about 1644.1410077212.

Adding to 4444441402 its reverse (2041444444), we get a palindrome (6485885846).

The spelling of 4444441402 in words is "four billion, four hundred forty-four million, four hundred forty-one thousand, four hundred two".