4440400044 has 48 divisors (see below), whose sum is σ = 10651780608. Its totient is φ = 1438665408.

The previous prime is 4440400043. The next prime is 4440400067. The reversal of 4440400044 is 4400040444.

It is a junction number, because it is equal to n+sod(n) for n = 4440399987 and 4440400023.

It is not an unprimeable number, because it can be changed into a prime (4440400043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485199 + ... + 494265.

It is an arithmetic number, because the mean of its divisors is an integer number (221912096).

Almost surely, 2^4440400044 is an apocalyptic number.

It is an amenable number.

4440400044 is an abundant number, since it is smaller than the sum of its proper divisors (6211380564).

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

4440400044 is a wasteful number, since it uses less digits than its factorization.

4440400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10214 (or 10212 counting only the distinct ones).

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

The square root of 4440400044 is about 66636.3267595086. The cubic root of 4440400044 is about 1643.6425140740.

Adding to 4440400044 its reverse (4400040444), we get a palindrome (8840440488).

The spelling of 4440400044 in words is "four billion, four hundred forty million, four hundred thousand, forty-four".