4040242444 has 12 divisors (see below), whose sum is σ = 8080484944. Its totient is φ = 1731532464.

The previous prime is 4040242439. The next prime is 4040242469. The reversal of 4040242444 is 4442420404.

4040242444 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 144294373 = 4040242444 / (4 + 0 + 4 + 0 + 2 + 4 + 2 + 4 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72147159 + ... + 72147214.

Almost surely, 2^4040242444 is an apocalyptic number.

It is an amenable number.

4040242444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4040242444 is a wasteful number, since it uses less digits than its factorization.

4040242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144294384 (or 144294382 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4040242444 is about 63562.9014756249. The cubic root of 4040242444 is about 1592.7067069995.

Adding to 4040242444 its reverse (4442420404), we get a palindrome (8482662848).

The spelling of 4040242444 in words is "four billion, forty million, two hundred forty-two thousand, four hundred forty-four".