4439140044 has 24 divisors (see below), whose sum is σ = 10421544000. Its totient is φ = 1470634704.

The previous prime is 4439139983. The next prime is 4439140049. The reversal of 4439140044 is 4400419344.

It is a junction number, because it is equal to n+sod(n) for n = 4439139987 and 4439140014.

It is not an unprimeable number, because it can be changed into a prime (4439140049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132794 + ... + 1136705.

It is an arithmetic number, because the mean of its divisors is an integer number (434231000).

Almost surely, 2^4439140044 is an apocalyptic number.

It is an amenable number.

4439140044 is an abundant number, since it is smaller than the sum of its proper divisors (5982403956).

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

4439140044 is a wasteful number, since it uses less digits than its factorization.

4439140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269669 (or 2269667 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 4439140044 is about 66626.8717860894. The cubic root of 4439140044 is about 1643.4870336770.

Adding to 4439140044 its reverse (4400419344), we get a palindrome (8839559388).

The spelling of 4439140044 in words is "four billion, four hundred thirty-nine million, one hundred forty thousand, forty-four".