4443244140 has 48 divisors (see below), whose sum is σ = 12503635200. Its totient is φ = 1178907840.

The previous prime is 4443244139. The next prime is 4443244171. The reversal of 4443244140 is 414423444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4443244098 and 4443244107.

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, 174126 + ... + 198005.

It is an arithmetic number, because the mean of its divisors is an integer number (260492400).

Almost surely, 2^4443244140 is an apocalyptic number.

It is an amenable number.

4443244140 is an abundant number, since it is smaller than the sum of its proper divisors (8060391060).

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

4443244140 is a wasteful number, since it uses less digits than its factorization.

4443244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372342 (or 372340 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 4443244140 is about 66657.6637754430. The cubic root of 4443244140 is about 1643.9933592950.

Adding to 4443244140 its reverse (414423444), we get a palindrome (4857667584).

The spelling of 4443244140 in words is "four billion, four hundred forty-three million, two hundred forty-four thousand, one hundred forty".