4440400420042 has 8 divisors (see below), whose sum is σ = 6661496737476. Its totient is φ = 2219901507552.

The previous prime is 4440400420033. The next prime is 4440400420063. The reversal of 4440400420042 is 2400240040444.

It can be written as a sum of positive squares in 2 ways, for example, as 4394394030961 + 46006389081 = 2096281^2 + 214491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 149332653 + ... + 149362384.

Almost surely, 2^{4440400420042} is an apocalyptic number.

4440400420042 is a deficient number, since it is larger than the sum of its proper divisors (2221096317434).

4440400420042 is a wasteful number, since it uses less digits than its factorization.

4440400420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298702472.

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

Adding to 4440400420042 its reverse (2400240040444), we get a palindrome (6840640460486).

The spelling of 4440400420042 in words is "four trillion, four hundred forty billion, four hundred million, four hundred twenty thousand, forty-two".