4921794320 has 80 divisors (see below), whose sum is σ = 11631956400. Its totient is φ = 1936392192.

The previous prime is 4921794313. The next prime is 4921794331. The reversal of 4921794320 is 234971294.

It can be written as a sum of positive squares in 8 ways, for example, as 33547264 + 4888247056 = 5792^2 + 69916^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621222 + ... + 2623098.

It is an arithmetic number, because the mean of its divisors is an integer number (145399455).

Almost surely, 2^4921794320 is an apocalyptic number.

4921794320 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 4921794320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5815978200).

4921794320 is an abundant number, since it is smaller than the sum of its proper divisors (6710162080).

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

4921794320 is a wasteful number, since it uses less digits than its factorization.

4921794320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 4921794320 is about 70155.5009960017. The cubic root of 4921794320 is about 1701.0137344757.

The spelling of 4921794320 in words is "four billion, nine hundred twenty-one million, seven hundred ninety-four thousand, three hundred twenty".