4981556580 has 864 divisors, whose sum is σ = 20743454592. Its totient is φ = 877363200.

The previous prime is 4981556561. The next prime is 4981556633. The reversal of 4981556580 is 856551894.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 121501360 + ... + 121501400.

It is an arithmetic number, because the mean of its divisors is an integer number (24008628).

Almost surely, 2^4981556580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4981556580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10371727296).

4981556580 is an abundant number, since it is smaller than the sum of its proper divisors (15761898012).

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

4981556580 is a wasteful number, since it uses less digits than its factorization.

4981556580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 51.

The square root of 4981556580 is about 70580.1429582004. The cubic root of 4981556580 is about 1707.8708358833.

The spelling of 4981556580 in words is "four billion, nine hundred eighty-one million, five hundred fifty-six thousand, five hundred eighty".