4004844820 has 24 divisors (see below), whose sum is σ = 8496881064. Its totient is φ = 1585422336.

The previous prime is 4004844817. The next prime is 4004844821. The reversal of 4004844820 is 284484004.

4004844820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 730945296 + 3273899524 = 27036^2 + 57218^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004844821) 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, 1030237 + ... + 1034116.

It is an arithmetic number, because the mean of its divisors is an integer number (354036711).

Almost surely, 2^4004844820 is an apocalyptic number.

It is an amenable number.

4004844820 is an abundant number, since it is smaller than the sum of its proper divisors (4492036244).

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

4004844820 is a wasteful number, since it uses less digits than its factorization.

4004844820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064459 (or 2064457 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 34.

The square root of 4004844820 is about 63283.8432777277. The cubic root of 4004844820 is about 1588.0416827564.

The spelling of 4004844820 in words is "four billion, four million, eight hundred forty-four thousand, eight hundred twenty".