4991928260 has 96 divisors (see below), whose sum is σ = 11778480000. Its totient is φ = 1761177600.

The previous prime is 4991928251. The next prime is 4991928281. The reversal of 4991928260 is 628291994.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4991928199 and 4991928208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3996116 + ... + 3997364.

It is an arithmetic number, because the mean of its divisors is an integer number (122692500).

Almost surely, 2^4991928260 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 4991928260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5889240000).

4991928260 is an abundant number, since it is smaller than the sum of its proper divisors (6786551740).

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

4991928260 is a wasteful number, since it uses less digits than its factorization.

4991928260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 4991928260 is about 70653.5792440836. The cubic root of 4991928260 is about 1709.0552856599.

The spelling of 4991928260 in words is "four billion, nine hundred ninety-one million, nine hundred twenty-eight thousand, two hundred sixty".