243234502034040 has 160 divisors (see below), whose sum is σ = 891859840922160. Its totient is φ = 58965939878400.

The previous prime is 243234502034003. The next prime is 243234502034047. The reversal of 243234502034040 is 40430205432342.

243234502034040 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 3 + 45 + 0 + 203 + 404 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 243234502033986 and 243234502034004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243234502034047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3412345141 + ... + 3412416420.

Almost surely, 2^{243234502034040} is an apocalyptic number.

243234502034040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243234502034040 is an abundant number, since it is smaller than the sum of its proper divisors (648625338888120).

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

243234502034040 is a wasteful number, since it uses less digits than its factorization.

243234502034040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6824761595 (or 6824761582 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 243234502034040 its reverse (40430205432342), we get a palindrome (283664707466382).

The spelling of 243234502034040 in words is "two hundred forty-three trillion, two hundred thirty-four billion, five hundred two million, thirty-four thousand, forty".