243433023040 has 56 divisors (see below), whose sum is σ = 604878160320. Its totient is φ = 93139588608.

The previous prime is 243433023023. The next prime is 243433023121. The reversal of 243433023040 is 40320334342.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16530210 + ... + 16544929.

It is an arithmetic number, because the mean of its divisors is an integer number (10801395720).

Almost surely, 2^243433023040 is an apocalyptic number.

243433023040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243433023040 is an abundant number, since it is smaller than the sum of its proper divisors (361445137280).

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

243433023040 is a wasteful number, since it uses less digits than its factorization.

243433023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33075179 (or 33075169 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 243433023040 its reverse (40320334342), we get a palindrome (283753357382).

The spelling of 243433023040 in words is "two hundred forty-three billion, four hundred thirty-three million, twenty-three thousand, forty".