4561307128 has 64 divisors (see below), whose sum is σ = 10395267840. Its totient is φ = 1831663104.

The previous prime is 4561307117. The next prime is 4561307129. The reversal of 4561307128 is 8217031654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561307129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205551 + ... + 226657.

It is an arithmetic number, because the mean of its divisors is an integer number (162426060).

Almost surely, 2^4561307128 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 4561307128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5197633920).

4561307128 is an abundant number, since it is smaller than the sum of its proper divisors (5833960712).

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

4561307128 is a wasteful number, since it uses less digits than its factorization.

4561307128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21364 (or 21360 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4561307128 is about 67537.4498186006. The cubic root of 4561307128 is about 1658.4273013078.

The spelling of 4561307128 in words is "four billion, five hundred sixty-one million, three hundred seven thousand, one hundred twenty-eight".