561234234330 has 288 divisors, whose sum is σ = 1932591623040. Its totient is φ = 109759703040.

The previous prime is 561234234317. The next prime is 561234234331. The reversal of 561234234330 is 33432432165.

561234234330 is a `hidden beast` number, since 5 + 61 + 2 + 34 + 234 + 330 = 666.

It is not an unprimeable number, because it can be changed into a prime (561234234331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1862656 + ... + 2142884.

It is an arithmetic number, because the mean of its divisors is an integer number (6710387580).

Almost surely, 2^561234234330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561234234330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (966295811520).

561234234330 is an abundant number, since it is smaller than the sum of its proper divisors (1371357388710).

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

561234234330 is a wasteful number, since it uses less digits than its factorization.

561234234330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280294 (or 280274 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 561234234330 its reverse (33432432165), we get a palindrome (594666666495).

The spelling of 561234234330 in words is "five hundred sixty-one billion, two hundred thirty-four million, two hundred thirty-four thousand, three hundred thirty".