4442889388 has 18 divisors (see below), whose sum is σ = 9044453796. Its totient is φ = 1904095368.

The previous prime is 4442889383. The next prime is 4442889401. The reversal of 4442889388 is 8839882444.

It is a super-2 number, since 2×4442889388² = 39478532228006029088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4442889383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11333706 + ... + 11334097.

Almost surely, 2^4442889388 is an apocalyptic number.

It is an amenable number.

4442889388 is an abundant number, since it is smaller than the sum of its proper divisors (4601564408).

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

4442889388 is a wasteful number, since it uses less digits than its factorization.

4442889388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22667821 (or 22667812 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 58.

The square root of 4442889388 is about 66655.0027229765. The cubic root of 4442889388 is about 1643.9496055694.

The spelling of 4442889388 in words is "four billion, four hundred forty-two million, eight hundred eighty-nine thousand, three hundred eighty-eight".