2002442040442 has 4 divisors (see below), whose sum is σ = 3003663060666. Its totient is φ = 1001221020220.

The previous prime is 2002442040397. The next prime is 2002442040463. The reversal of 2002442040442 is 2440402442002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1993119944841 + 9322095601 = 1411779^2 + 96551^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2002442040442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500610510109 + ... + 500610510112.

Almost surely, 2^{2002442040442} is an apocalyptic number.

2002442040442 is a deficient number, since it is larger than the sum of its proper divisors (1001221020224).

2002442040442 is a wasteful number, since it uses less digits than its factorization.

2002442040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001221020223.

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

Adding to 2002442040442 its reverse (2440402442002), we get a palindrome (4442844482444).

The spelling of 2002442040442 in words is "two trillion, two billion, four hundred forty-two million, forty thousand, four hundred forty-two".