1820044704 has 48 divisors (see below), whose sum is σ = 4787965728. Its totient is φ = 605367552.

The previous prime is 1820044673. The next prime is 1820044771. The reversal of 1820044704 is 4074400281.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24534 + ... + 65130.

It is an arithmetic number, because the mean of its divisors is an integer number (99749286).

Almost surely, 2^1820044704 is an apocalyptic number.

It is an amenable number.

1820044704 is an abundant number, since it is smaller than the sum of its proper divisors (2967921024).

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

1820044704 is a wasteful number, since it uses less digits than its factorization.

1820044704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41077 (or 41069 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 1820044704 is about 42661.9819511471. The cubic root of 1820044704 is about 1220.9391460783.

Adding to 1820044704 its reverse (4074400281), we get a palindrome (5894444985).

The spelling of 1820044704 in words is "one billion, eight hundred twenty million, forty-four thousand, seven hundred four".