230502433244240 has 120 divisors (see below), whose sum is σ = 545045045252760. Its totient is φ = 90656638556160.

The previous prime is 230502433244087. The next prime is 230502433244311. The reversal of 230502433244240 is 42442334205032.

It can be written as a sum of positive squares in 12 ways, for example, as 88647949412416 + 141854483831824 = 9415304^2 + 11910268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230502433244194 and 230502433244203.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 830090702 + ... + 830368338.

It is an arithmetic number, because the mean of its divisors is an integer number (4542042043773).

Almost surely, 2^{230502433244240} is an apocalyptic number.

230502433244240 is a gapful number since it is divisible by the number (20) 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 230502433244240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272522522626380).

230502433244240 is an abundant number, since it is smaller than the sum of its proper divisors (314542612008520).

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

230502433244240 is a wasteful number, since it uses less digits than its factorization.

230502433244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280561 (or 280494 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 38.

Adding to 230502433244240 its reverse (42442334205032), we get a palindrome (272944767449272).

The spelling of 230502433244240 in words is "two hundred thirty trillion, five hundred two billion, four hundred thirty-three million, two hundred forty-four thousand, two hundred forty".