4547608920 has 192 divisors, whose sum is σ = 15558117120. Its totient is φ = 1194424704.

The previous prime is 4547608909. The next prime is 4547608943. The reversal of 4547608920 is 298067454.

It is a happy number.

4547608920 is a `hidden beast` number, since 4 + 547 + 6 + 0 + 89 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 647749 + ... + 654731.

It is an arithmetic number, because the mean of its divisors is an integer number (81031860).

Almost surely, 2^4547608920 is an apocalyptic number.

4547608920 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 4547608920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7779058560).

4547608920 is an abundant number, since it is smaller than the sum of its proper divisors (11010508200).

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

4547608920 is a wasteful number, since it uses less digits than its factorization.

4547608920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076 (or 7060 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 4547608920 is about 67435.9616228611. The cubic root of 4547608920 is about 1656.7654778651.

The spelling of 4547608920 in words is "four billion, five hundred forty-seven million, six hundred eight thousand, nine hundred twenty".