4561243900 has 54 divisors (see below), whose sum is σ = 10225616352. Its totient is φ = 1764187200.

The previous prime is 4561243879. The next prime is 4561243909. The reversal of 4561243900 is 93421654.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561243909) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3759694 + ... + 3760906.

Almost surely, 2^4561243900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4561243900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5112808176).

4561243900 is an abundant number, since it is smaller than the sum of its proper divisors (5664372452).

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

4561243900 is a wasteful number, since it uses less digits than its factorization.

4561243900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4561243900 is about 67536.9817211282. The cubic root of 4561243900 is about 1658.4196383344.

The spelling of 4561243900 in words is "four billion, five hundred sixty-one million, two hundred forty-three thousand, nine hundred".