1442442004 has 12 divisors (see below), whose sum is σ = 2549267028. Its totient is φ = 714080000.

The previous prime is 1442441999. The next prime is 1442442073. The reversal of 1442442004 is 4002442441.

It can be written as a sum of positive squares in 2 ways, for example, as 621504900 + 820937104 = 24930^2 + 28652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1442442004.

It is a congruent number.

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, 1784797 + ... + 1785604.

It is an arithmetic number, because the mean of its divisors is an integer number (212438919).

Almost surely, 2^1442442004 is an apocalyptic number.

It is an amenable number.

1442442004 is a deficient number, since it is larger than the sum of its proper divisors (1106825024).

1442442004 is a wasteful number, since it uses less digits than its factorization.

1442442004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570506 (or 3570504 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1442442004 is about 37979.4945200696. The cubic root of 1442442004 is about 1129.8812113103.

Adding to 1442442004 its reverse (4002442441), we get a palindrome (5444884445).

The spelling of 1442442004 in words is "one billion, four hundred forty-two million, four hundred forty-two thousand, four".