4644084820 has 24 divisors (see below), whose sum is σ = 10326259944. Its totient is φ = 1748361216.

The previous prime is 4644084791. The next prime is 4644084821. The reversal of 4644084820 is 284804464.

It can be written as a sum of positive squares in 4 ways, for example, as 1253584836 + 3390499984 = 35406^2 + 58228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644084821) 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, 6829197 + ... + 6829876.

It is an arithmetic number, because the mean of its divisors is an integer number (430260831).

Almost surely, 2^4644084820 is an apocalyptic number.

It is an amenable number.

4644084820 is an abundant number, since it is smaller than the sum of its proper divisors (5682175124).

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

4644084820 is a wasteful number, since it uses less digits than its factorization.

4644084820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13659099 (or 13659097 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

The square root of 4644084820 is about 68147.5224788106. The cubic root of 4644084820 is about 1668.3994872864.

The spelling of 4644084820 in words is "four billion, six hundred forty-four million, eighty-four thousand, eight hundred twenty".