2004442444520 has 32 divisors (see below), whose sum is σ = 4510128949920. Its totient is φ = 801753253440.

The previous prime is 2004442444453. The next prime is 2004442444531. The reversal of 2004442444520 is 254442444002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660035 + ... + 2108205.

It is an arithmetic number, because the mean of its divisors is an integer number (140941529685).

Almost surely, 2^{2004442444520} is an apocalyptic number.

2004442444520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004442444520 is an abundant number, since it is smaller than the sum of its proper divisors (2505686505400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2004442444520 is a wasteful number, since it uses less digits than its factorization.

2004442444520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482785 (or 1482781 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 2004442444520 its reverse (254442444002), we get a palindrome (2258884888522).

The spelling of 2004442444520 in words is "two trillion, four billion, four hundred forty-two million, four hundred forty-four thousand, five hundred twenty".