243232232040 has 384 divisors, whose sum is σ = 919714348800. Its totient is φ = 54597058560.

The previous prime is 243232232039. The next prime is 243232232053. The reversal of 243232232040 is 40232232342.

It is a happy number.

243232232040 is a `hidden beast` number, since 2 + 432 + 3 + 2 + 23 + 204 + 0 = 666.

243232232040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243232231995 and 243232232013.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 172626856 + ... + 172628264.

It is an arithmetic number, because the mean of its divisors is an integer number (2395089450).

Almost surely, 2^243232232040 is an apocalyptic number.

243232232040 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 243232232040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459857174400).

243232232040 is an abundant number, since it is smaller than the sum of its proper divisors (676482116760).

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

243232232040 is a wasteful number, since it uses less digits than its factorization.

243232232040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 243232232040 its reverse (40232232342), we get a palindrome (283464464382).

The spelling of 243232232040 in words is "two hundred forty-three billion, two hundred thirty-two million, two hundred thirty-two thousand, forty".