4561968600 has 480 divisors, whose sum is σ = 18499932000. Its totient is φ = 1041465600.

The previous prime is 4561968577. The next prime is 4561968601. The reversal of 4561968600 is 68691654.

4561968600 is a `hidden beast` number, since 4 + 561 + 9 + 6 + 86 + 0 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561968601) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5556190 + ... + 5557010.

It is an arithmetic number, because the mean of its divisors is an integer number (38541525).

Almost surely, 2^4561968600 is an apocalyptic number.

4561968600 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 4561968600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9249966000).

4561968600 is an abundant number, since it is smaller than the sum of its proper divisors (13937963400).

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

4561968600 is a wasteful number, since it uses less digits than its factorization.

4561968600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 4561968600 is about 67542.3467167080. The cubic root of 4561968600 is about 1658.5074647470.

The spelling of 4561968600 in words is "four billion, five hundred sixty-one million, nine hundred sixty-eight thousand, six hundred".