4889465856 has 440 divisors, whose sum is σ = 16692122304. Its totient is φ = 1411153920.

The previous prime is 4889465851. The next prime is 4889465927. The reversal of 4889465856 is 6585649884.

4889465856 is a `hidden beast` number, since 4 + 8 + 8 + 9 + 46 + 585 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4889465793 and 4889465802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889465851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20984716 + ... + 20984948.

Almost surely, 2^4889465856 is an apocalyptic number.

4889465856 is a gapful number since it is divisible by the number (46) 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 4889465856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8346061152).

4889465856 is an abundant number, since it is smaller than the sum of its proper divisors (11802656448).

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

4889465856 is a wasteful number, since it uses less digits than its factorization.

4889465856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 272 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 63.

The square root of 4889465856 is about 69924.7156304550. The cubic root of 4889465856 is about 1697.2812200806.

The spelling of 4889465856 in words is "four billion, eight hundred eighty-nine million, four hundred sixty-five thousand, eight hundred fifty-six".