4644720000 has 240 divisors, whose sum is σ = 16704324780. Its totient is φ = 1238400000.

The previous prime is 4644719983. The next prime is 4644720019. The reversal of 4644720000 is 274464.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 716775 + ... + 723225.

Almost surely, 2^4644720000 is an apocalyptic number.

4644720000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4644720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8352162390).

4644720000 is an abundant number, since it is smaller than the sum of its proper divisors (12059604780).

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

4644720000 is an equidigital number, since it uses as much as digits as its factorization.

4644720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 4644720000 is about 68152.1826503011. The cubic root of 4644720000 is about 1668.4755471717.

Adding to 4644720000 its reverse (274464), we get a palindrome (4644994464).

The spelling of 4644720000 in words is "four billion, six hundred forty-four million, seven hundred twenty thousand".