4581289980 has 72 divisors (see below), whose sum is σ = 14235543504. Its totient is φ = 1191878400.

The previous prime is 4581289943. The next prime is 4581289991. The reversal of 4581289980 is 899821854.

4581289980 is a `hidden beast` number, since 458 + 1 + 28 + 99 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303006 + ... + 317765.

It is an arithmetic number, because the mean of its divisors is an integer number (197715882).

Almost surely, 2^4581289980 is an apocalyptic number.

It is an amenable number.

4581289980 is an abundant number, since it is smaller than the sum of its proper divisors (9654253524).

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

4581289980 is a wasteful number, since it uses less digits than its factorization.

4581289980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620827 (or 620822 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The square root of 4581289980 is about 67685.2271917588. The cubic root of 4581289980 is about 1660.8456015008.

The spelling of 4581289980 in words is "four billion, five hundred eighty-one million, two hundred eighty-nine thousand, nine hundred eighty".