461511330 has 256 divisors, whose sum is σ = 1433272320. Its totient is φ = 92683008.

The previous prime is 461511277. The next prime is 461511331. The reversal of 461511330 is 33115164.

It is a self number, because there is not a number n which added to its sum of digits gives 461511330.

It is not an unprimeable number, because it can be changed into a prime (461511331) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4313137 + ... + 4313243.

It is an arithmetic number, because the mean of its divisors is an integer number (5598720).

Almost surely, 2^461511330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461511330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716636160).

461511330 is an abundant number, since it is smaller than the sum of its proper divisors (971760990).

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

461511330 is a wasteful number, since it uses less digits than its factorization.

461511330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 461511330 is about 21482.8147597097. The cubic root of 461511330 is about 772.7887463855.

Adding to 461511330 its reverse (33115164), we get a palindrome (494626494).

The spelling of 461511330 in words is "four hundred sixty-one million, five hundred eleven thousand, three hundred thirty".