2004402442004 has 24 divisors (see below), whose sum is σ = 3553933841640. Its totient is φ = 989068903424.

The previous prime is 2004402441991. The next prime is 2004402442019. The reversal of 2004402442004 is 4002442044002.

It can be written as a sum of positive squares in 4 ways, for example, as 1888771600 + 2002513670404 = 43460^2 + 1415102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9410819 + ... + 9621450.

It is an arithmetic number, because the mean of its divisors is an integer number (148080576735).

Almost surely, 2^{2004402442004} is an apocalyptic number.

It is an amenable number.

2004402442004 is a deficient number, since it is larger than the sum of its proper divisors (1549531399636).

2004402442004 is a wasteful number, since it uses less digits than its factorization.

2004402442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19032619 (or 19032617 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2004402442004 its reverse (4002442044002), we get a palindrome (6006844486006).

The spelling of 2004402442004 in words is "two trillion, four billion, four hundred two million, four hundred forty-two thousand, four".