4809656280 has 256 divisors, whose sum is σ = 17036490240. Its totient is φ = 1070899200.

The previous prime is 4809656263. The next prime is 4809656297. The reversal of 4809656280 is 826569084.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4809656263) and next prime (4809656297).

It is a super-3 number, since 3×4809656280³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4134979 + ... + 4136141.

It is an arithmetic number, because the mean of its divisors is an integer number (66548790).

Almost surely, 2^4809656280 is an apocalyptic number.

4809656280 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 4809656280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8518245120).

4809656280 is an abundant number, since it is smaller than the sum of its proper divisors (12226833960).

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

4809656280 is a wasteful number, since it uses less digits than its factorization.

4809656280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 4809656280 is about 69351.6854878092. The cubic root of 4809656280 is about 1687.9957426351.

The spelling of 4809656280 in words is "four billion, eight hundred nine million, six hundred fifty-six thousand, two hundred eighty".