243040134030 has 16 divisors (see below), whose sum is σ = 583296321744. Its totient is φ = 64810702400.

The previous prime is 243040133993. The next prime is 243040134031. The reversal of 243040134030 is 30431040342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243040134031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4050668871 + ... + 4050668930.

It is an arithmetic number, because the mean of its divisors is an integer number (36456020109).

Almost surely, 2^243040134030 is an apocalyptic number.

243040134030 is an abundant number, since it is smaller than the sum of its proper divisors (340256187714).

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

243040134030 is a wasteful number, since it uses less digits than its factorization.

243040134030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101337811.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 243040134030 its reverse (30431040342), we get a palindrome (273471174372).

The spelling of 243040134030 in words is "two hundred forty-three billion, forty million, one hundred thirty-four thousand, thirty".