4865138208 has 192 divisors, whose sum is σ = 16386289920. Its totient is φ = 1375543296.

The previous prime is 4865138189. The next prime is 4865138221. The reversal of 4865138208 is 8028315684.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582510 + ... + 590802.

It is an arithmetic number, because the mean of its divisors is an integer number (85345260).

Almost surely, 2^4865138208 is an apocalyptic number.

4865138208 is a gapful number since it is divisible by the number (48) 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 4865138208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8193144960).

4865138208 is an abundant number, since it is smaller than the sum of its proper divisors (11521151712).

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

4865138208 is a wasteful number, since it uses less digits than its factorization.

4865138208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416 (or 8402 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 4865138208 is about 69750.5427075661. The cubic root of 4865138208 is about 1694.4615848059.

The spelling of 4865138208 in words is "four billion, eight hundred sixty-five million, one hundred thirty-eight thousand, two hundred eight".