4721840000 has 80 divisors (see below), whose sum is σ = 11754924720. Its totient is φ = 1888704000.

The previous prime is 4721839999. The next prime is 4721840003. The reversal of 4721840000 is 481274.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721840003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50489 + ... + 109511.

It is an arithmetic number, because the mean of its divisors is an integer number (146936559).

Almost surely, 2^4721840000 is an apocalyptic number.

4721840000 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 4721840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5877462360).

4721840000 is an abundant number, since it is smaller than the sum of its proper divisors (7033084720).

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

4721840000 is an frugal number, since it uses more digits than its factorization.

4721840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59057 (or 59030 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 4721840000 is about 68715.6459621824. The cubic root of 4721840000 is about 1677.6592495864.

The spelling of 4721840000 in words is "four billion, seven hundred twenty-one million, eight hundred forty thousand".