243033130105040 has 160 divisors (see below), whose sum is σ = 619229675335680. Its totient is φ = 87973194355200.

The previous prime is 243033130104997. The next prime is 243033130105091. The reversal of 243033130105040 is 40501031330342.

243033130105040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243033130105040² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243033130104994 and 243033130105012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569122805 + ... + 569549675.

It is an arithmetic number, because the mean of its divisors is an integer number (3870185470848).

Almost surely, 2^{243033130105040} is an apocalyptic number.

243033130105040 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 243033130105040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309614837667840).

243033130105040 is an abundant number, since it is smaller than the sum of its proper divisors (376196545230640).

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

243033130105040 is a wasteful number, since it uses less digits than its factorization.

243033130105040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429841 (or 429835 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 243033130105040 its reverse (40501031330342), we get a palindrome (283534161435382).

The spelling of 243033130105040 in words is "two hundred forty-three trillion, thirty-three billion, one hundred thirty million, one hundred five thousand, forty".