243104522040 has 48 divisors (see below), whose sum is σ = 790089697800. Its totient is φ = 64827872448.

The previous prime is 243104522029. The next prime is 243104522041. The reversal of 243104522040 is 40225401342.

243104522040 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 0 + 452 + 204 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 243104521995 and 243104522013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243104522041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337644810 + ... + 337645529.

Almost surely, 2^243104522040 is an apocalyptic number.

243104522040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243104522040 is an abundant number, since it is smaller than the sum of its proper divisors (546985175760).

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

243104522040 is a wasteful number, since it uses less digits than its factorization.

243104522040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675290356 (or 675290349 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 243104522040 its reverse (40225401342), we get a palindrome (283329923382).

The spelling of 243104522040 in words is "two hundred forty-three billion, one hundred four million, five hundred twenty-two thousand, forty".