4881640560 has 80 divisors (see below), whose sum is σ = 15147557280. Its totient is φ = 1300526080.

The previous prime is 4881640541. The next prime is 4881640583. The reversal of 4881640560 is 650461884.

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

It is a super-2 number, since 2×4881640560² = 47660829114074227200, which contains 22 as substring.

It is a congruent number.

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, 256990 + ... + 275330.

It is an arithmetic number, because the mean of its divisors is an integer number (189344466).

Almost surely, 2^4881640560 is an apocalyptic number.

4881640560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4881640560 is an abundant number, since it is smaller than the sum of its proper divisors (10265916720).

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

4881640560 is a wasteful number, since it uses less digits than its factorization.

4881640560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19466 (or 19460 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 4881640560 is about 69868.7380736192. The cubic root of 4881640560 is about 1696.3752711027.

The spelling of 4881640560 in words is "four billion, eight hundred eighty-one million, six hundred forty thousand, five hundred sixty".