4981791880 has 64 divisors (see below), whose sum is σ = 12134707200. Its totient is φ = 1829763840.

The previous prime is 4981791823. The next prime is 4981791943. The reversal of 4981791880 is 881971894.

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, 74241 + ... + 124399.

It is an arithmetic number, because the mean of its divisors is an integer number (189604800).

Almost surely, 2^4981791880 is an apocalyptic number.

4981791880 is a gapful number since it is divisible by the number (40) 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 4981791880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6067353600).

4981791880 is an abundant number, since it is smaller than the sum of its proper divisors (7152915320).

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

4981791880 is a wasteful number, since it uses less digits than its factorization.

4981791880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50374 (or 50370 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 55.

The square root of 4981791880 is about 70581.8098379462. The cubic root of 4981791880 is about 1707.8977254491.

The spelling of 4981791880 in words is "four billion, nine hundred eighty-one million, seven hundred ninety-one thousand, eight hundred eighty".