4491836580 has 96 divisors (see below), whose sum is σ = 15680609280. Its totient is φ = 933367680.

The previous prime is 4491836551. The next prime is 4491836617. The reversal of 4491836580 is 856381944.

It is a super-2 number, since 2×4491836580² = 40353191722852192800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481510 + ... + 490749.

It is an arithmetic number, because the mean of its divisors is an integer number (163339680).

Almost surely, 2^4491836580 is an apocalyptic number.

It is an amenable number.

4491836580 is an abundant number, since it is smaller than the sum of its proper divisors (11188772700).

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

4491836580 is a wasteful number, since it uses less digits than its factorization.

4491836580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972289 (or 972287 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 4491836580 is about 67021.1651644464. The cubic root of 4491836580 is about 1649.9646861129.

The spelling of 4491836580 in words is "four billion, four hundred ninety-one million, eight hundred thirty-six thousand, five hundred eighty".