243027010440 has 96 divisors (see below), whose sum is σ = 800962344000. Its totient is φ = 63894418560.

The previous prime is 243027010439. The next prime is 243027010451. The reversal of 243027010440 is 44010720342.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4728490 + ... + 4779609.

It is an arithmetic number, because the mean of its divisors is an integer number (8343357750).

Almost surely, 2^243027010440 is an apocalyptic number.

243027010440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243027010440 is an abundant number, since it is smaller than the sum of its proper divisors (557935333560).

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

243027010440 is a wasteful number, since it uses less digits than its factorization.

243027010440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508187 (or 9508180 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 243027010440 its reverse (44010720342), we get a palindrome (287037730782).

The spelling of 243027010440 in words is "two hundred forty-three billion, twenty-seven million, ten thousand, four hundred forty".