4404444444 has 24 divisors (see below), whose sum is σ = 11418930320. Its totient is φ = 1468148112.

The previous prime is 4404444413. The next prime is 4404444479. The reversal of 4404444444 is 4444444044.

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

4404444444 is a modest number, since divided by 44444 gives 44044 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4404444399 and 4404444408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20390839 + ... + 20391054.

Almost surely, 2^4404444444 is an apocalyptic number.

It is an amenable number.

4404444444 is an abundant number, since it is smaller than the sum of its proper divisors (7014485876).

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

4404444444 is a wasteful number, since it uses less digits than its factorization.

4404444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40781906 (or 40781898 counting only the distinct ones).

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

The square root of 4404444444 is about 66365.9886086239. The cubic root of 4404444444 is about 1639.1940869775.

Adding to 4404444444 its reverse (4444444044), we get a palindrome (8848888488).

It can be divided in two parts, 44044 and 44444, that added together give a palindrome (88488).

The spelling of 4404444444 in words is "four billion, four hundred four million, four hundred forty-four thousand, four hundred forty-four".