240221121140 has 144 divisors (see below), whose sum is σ = 689418221184. Its totient is φ = 69114528000.

The previous prime is 240221121139. The next prime is 240221121181. The reversal of 240221121140 is 41121122042.

240221121140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 716936 + ... + 997215.

It is an arithmetic number, because the mean of its divisors is an integer number (4787626536).

Almost surely, 2^240221121140 is an apocalyptic number.

240221121140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240221121140 is an abundant number, since it is smaller than the sum of its proper divisors (449197100044).

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

240221121140 is a wasteful number, since it uses less digits than its factorization.

240221121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714198 (or 1714189 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 240221121140 its reverse (41121122042), we get a palindrome (281342243182).

The spelling of 240221121140 in words is "two hundred forty billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred forty".