241221351444340 has 24 divisors (see below), whose sum is σ = 513504082392840. Its totient is φ = 95166779747328.

The previous prime is 241221351444239. The next prime is 241221351444343. The reversal of 241221351444340 is 43444153122142.

It can be written as a sum of positive squares in 4 ways, for example, as 301967834256 + 240919383610084 = 549516^2 + 15521578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 241221351444293 and 241221351444302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241221351444343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82610050405 + ... + 82610053324.

It is an arithmetic number, because the mean of its divisors is an integer number (21396003433035).

Almost surely, 2^{241221351444340} is an apocalyptic number.

241221351444340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241221351444340 is an abundant number, since it is smaller than the sum of its proper divisors (272282730948500).

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

241221351444340 is a wasteful number, since it uses less digits than its factorization.

241221351444340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165220103811 (or 165220103809 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 241221351444340 in words is "two hundred forty-one trillion, two hundred twenty-one billion, three hundred fifty-one million, four hundred forty-four thousand, three hundred forty".