4243240444 has 24 divisors (see below), whose sum is σ = 7929532800. Its totient is φ = 1982379840.

The previous prime is 4243240433. The next prime is 4243240453. The reversal of 4243240444 is 4440423424.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586399 + ... + 593590.

It is an arithmetic number, because the mean of its divisors is an integer number (330397200).

Almost surely, 2^4243240444 is an apocalyptic number.

It is an amenable number.

4243240444 is a deficient number, since it is larger than the sum of its proper divisors (3686292356).

4243240444 is a wasteful number, since it uses less digits than its factorization.

4243240444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180053 (or 1180051 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

The square root of 4243240444 is about 65140.1599936629. The cubic root of 4243240444 is about 1618.9466866267.

Adding to 4243240444 its reverse (4440423424), we get a palindrome (8683663868).

The spelling of 4243240444 in words is "four billion, two hundred forty-three million, two hundred forty thousand, four hundred forty-four".