4044444444 has 36 divisors (see below), whose sum is σ = 10338335280. Its totient is φ = 1332999360.

The previous prime is 4044444431. The next prime is 4044444451. The reversal of 4044444444 is 4444444404.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

4044444444 is a modest number, since divided by 44444 gives 40444 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4044444399 and 4044444408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627952 + ... + 634359.

It is an arithmetic number, because the mean of its divisors is an integer number (287175980).

Almost surely, 2^4044444444 is an apocalyptic number.

It is an amenable number.

4044444444 is an abundant number, since it is smaller than the sum of its proper divisors (6293890836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4044444444 is a wasteful number, since it uses less digits than its factorization.

4044444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262410 (or 1262405 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

The square root of 4044444444 is about 63595.9467576354. The cubic root of 4044444444 is about 1593.2586734428.

Adding to 4044444444 its reverse (4444444404), we get a palindrome (8488888848).

The spelling of 4044444444 in words is "four billion, forty-four million, four hundred forty-four thousand, four hundred forty-four".