4820921280 has 448 divisors, whose sum is σ = 19702272000. Its totient is φ = 1086898176.

The previous prime is 4820921267. The next prime is 4820921299. The reversal of 4820921280 is 821290284.

4820921280 is a `hidden beast` number, since 482 + 0 + 92 + 12 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 4777416 + ... + 4778424.

Almost surely, 2^4820921280 is an apocalyptic number.

4820921280 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 4820921280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9851136000).

4820921280 is an abundant number, since it is smaller than the sum of its proper divisors (14881350720).

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

4820921280 is a wasteful number, since it uses less digits than its factorization.

4820921280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 4820921280 is about 69432.8544710643. The cubic root of 4820921280 is about 1689.3125689388.

The spelling of 4820921280 in words is "four billion, eight hundred twenty million, nine hundred twenty-one thousand, two hundred eighty".