4491573980 has 24 divisors (see below), whose sum is σ = 9433782288. Its totient is φ = 1796348288.

The previous prime is 4491573979. The next prime is 4491574001. The reversal of 4491573980 is 893751944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154352 + ... + 181128.

It is an arithmetic number, because the mean of its divisors is an integer number (393074262).

Almost surely, 2^4491573980 is an apocalyptic number.

It is an amenable number.

4491573980 is an abundant number, since it is smaller than the sum of its proper divisors (4942208308).

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

4491573980 is a wasteful number, since it uses less digits than its factorization.

4491573980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35173 (or 35171 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 4491573980 is about 67019.2060531905. The cubic root of 4491573980 is about 1649.9325322888.

The spelling of 4491573980 in words is "four billion, four hundred ninety-one million, five hundred seventy-three thousand, nine hundred eighty".