243044014140 has 72 divisors (see below), whose sum is σ = 737297306928. Its totient is φ = 64806128640.

The previous prime is 243044014067. The next prime is 243044014249. The reversal of 243044014140 is 41410440342.

243044014140 is a `hidden beast` number, since 2 + 43 + 0 + 440 + 141 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2288620 + ... + 2392460.

It is an arithmetic number, because the mean of its divisors is an integer number (10240240374).

Almost surely, 2^243044014140 is an apocalyptic number.

243044014140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243044014140 is an abundant number, since it is smaller than the sum of its proper divisors (494253292788).

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

243044014140 is a wasteful number, since it uses less digits than its factorization.

243044014140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116859 (or 116854 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 243044014140 its reverse (41410440342), we get a palindrome (284454454482).

The spelling of 243044014140 in words is "two hundred forty-three billion, forty-four million, fourteen thousand, one hundred forty".