240140343320 has 32 divisors (see below), whose sum is σ = 543630607920. Its totient is φ = 95466833280.

The previous prime is 240140343319. The next prime is 240140343383. The reversal of 240140343320 is 23343041042.

It is a self number, because there is not a number n which added to its sum of digits gives 240140343320.

It is a congruent number.

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, 18409151 + ... + 18422190.

Almost surely, 2^240140343320 is an apocalyptic number.

240140343320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240140343320 is an abundant number, since it is smaller than the sum of its proper divisors (303490264600).

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

240140343320 is a wasteful number, since it uses less digits than its factorization.

240140343320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36831515 (or 36831511 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 240140343320 its reverse (23343041042), we get a palindrome (263483384362).

The spelling of 240140343320 in words is "two hundred forty billion, one hundred forty million, three hundred forty-three thousand, three hundred twenty".