6844404442 has 8 divisors (see below), whose sum is σ = 10870524756. Its totient is φ = 3220896192.

The previous prime is 6844404433. The next prime is 6844404451. The reversal of 6844404442 is 2444044486.

It is an interprime number because it is at equal distance from previous prime (6844404433) and next prime (6844404451).

It can be written as a sum of positive squares in 2 ways, for example, as 5716720881 + 1127683561 = 75609^2 + 33581^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6844404395 and 6844404404.

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, 100652973 + ... + 100653040.

Almost surely, 2^6844404442 is an apocalyptic number.

6844404442 is a deficient number, since it is larger than the sum of its proper divisors (4026120314).

6844404442 is a wasteful number, since it uses less digits than its factorization.

6844404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201306032.

The product of its (nonzero) digits is 393216, while the sum is 40.

The square root of 6844404442 is about 82730.9158779232. The cubic root of 6844404442 is about 1898.6513459748.

It can be divided in two parts, 6 and 844404442, that added together give a palindrome (844404448).

The spelling of 6844404442 in words is "six billion, eight hundred forty-four million, four hundred four thousand, four hundred forty-two".