4400344042 has 12 divisors (see below), whose sum is σ = 6820307298. Its totient is φ = 2129197800.

The previous prime is 4400344031. The next prime is 4400344043. The reversal of 4400344042 is 2404430044.

It can be written as a sum of positive squares in only one way, i.e., 3082581441 + 1317762601 = 55521^2 + 36301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4400343998 and 4400344016.

It is not an unprimeable number, because it can be changed into a prime (4400344043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1142809 + ... + 1146652.

Almost surely, 2^4400344042 is an apocalyptic number.

4400344042 is a deficient number, since it is larger than the sum of its proper divisors (2419963256).

4400344042 is a wasteful number, since it uses less digits than its factorization.

4400344042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289525 (or 2289494 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4400344042 is about 66335.0890705666. The cubic root of 4400344042 is about 1638.6852493198.

Adding to 4400344042 its reverse (2404430044), we get a palindrome (6804774086).

The spelling of 4400344042 in words is "four billion, four hundred million, three hundred forty-four thousand, forty-two".