4000044444 has 48 divisors (see below), whose sum is σ = 10780874496. Its totient is φ = 1140832000.

The previous prime is 4000044409. The next prime is 4000044457. The reversal of 4000044444 is 4444400004.

4000044444 is a modest number, since divided by 44444 gives 40000 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889032 + ... + 893519.

It is an arithmetic number, because the mean of its divisors is an integer number (224601552).

Almost surely, 2^4000044444 is an apocalyptic number.

4000044444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4000044444 is an abundant number, since it is smaller than the sum of its proper divisors (6780830052).

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

4000044444 is a wasteful number, since it uses less digits than its factorization.

4000044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782586 (or 1782584 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4000044444 is about 63245.9045630624. The cubic root of 4000044444 is about 1587.4069311508.

Adding to 4000044444 its reverse (4444400004), we get a palindrome (8444444448).

The spelling of 4000044444 in words is "four billion, forty-four thousand, four hundred forty-four".