2004044544 has 72 divisors (see below), whose sum is σ = 5926332720. Its totient is φ = 668012544.

The previous prime is 2004044543. The next prime is 2004044557. The reversal of 2004044544 is 4454404002.

It is a happy number.

2004044544 is a `hidden beast` number, since 200 + 4 + 0 + 4 + 454 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2004044543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138057 + ... + 151880.

Almost surely, 2^2004044544 is an apocalyptic number.

2004044544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2004044544 is an abundant number, since it is smaller than the sum of its proper divisors (3922288176).

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

2004044544 is an equidigital number, since it uses as much as digits as its factorization.

2004044544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289962 (or 289942 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 2004044544 is about 44766.5560882228. The cubic root of 2004044544 is about 1260.7697790518.

Adding to 2004044544 its reverse (4454404002), we get a palindrome (6458448546).

The spelling of 2004044544 in words is "two billion, four million, forty-four thousand, five hundred forty-four".