4891056288 has 24 divisors (see below), whose sum is σ = 12839023008. Its totient is φ = 1630352064.

The previous prime is 4891056271. The next prime is 4891056353. The reversal of 4891056288 is 8826501984.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×4891056288² = 47844863224768677888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4891056288.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25474156 + ... + 25474347.

It is an arithmetic number, because the mean of its divisors is an integer number (534959292).

Almost surely, 2^4891056288 is an apocalyptic number.

4891056288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4891056288 is an abundant number, since it is smaller than the sum of its proper divisors (7947966720).

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

4891056288 is a wasteful number, since it uses less digits than its factorization.

4891056288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50948516 (or 50948508 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The square root of 4891056288 is about 69936.0871653541. The cubic root of 4891056288 is about 1697.4652291191.

The spelling of 4891056288 in words is "four billion, eight hundred ninety-one million, fifty-six thousand, two hundred eighty-eight".