240304123440140 has 48 divisors (see below), whose sum is σ = 516691823273472. Its totient is φ = 93828556495296.

The previous prime is 240304123440109. The next prime is 240304123440181. The reversal of 240304123440140 is 41044321403042.

It is a junction number, because it is equal to n+sod(n) for n = 240304123440097 and 240304123440106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84471524 + ... + 87269963.

It is an arithmetic number, because the mean of its divisors is an integer number (10764412984864).

Almost surely, 2^{240304123440140} is an apocalyptic number.

240304123440140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240304123440140 is an abundant number, since it is smaller than the sum of its proper divisors (276387699833332).

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

240304123440140 is a wasteful number, since it uses less digits than its factorization.

240304123440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171743166 (or 171743164 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 240304123440140 its reverse (41044321403042), we get a palindrome (281348444843182).

The spelling of 240304123440140 in words is "two hundred forty trillion, three hundred four billion, one hundred twenty-three million, four hundred forty thousand, one hundred forty".