240534201212240 has 160 divisors (see below), whose sum is σ = 622909831219200. Its totient is φ = 85778842798080.

The previous prime is 240534201212233. The next prime is 240534201212243. The reversal of 240534201212240 is 42212102435042.

It is a junction number, because it is equal to n+sod(n) for n = 240534201212197 and 240534201212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240534201212243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9081341 + ... + 23738979.

It is an arithmetic number, because the mean of its divisors is an integer number (3893186445120).

Almost surely, 2^{240534201212240} is an apocalyptic number.

240534201212240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240534201212240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311454915609600).

240534201212240 is an abundant number, since it is smaller than the sum of its proper divisors (382375630006960).

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

240534201212240 is a wasteful number, since it uses less digits than its factorization.

240534201212240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14658205 (or 14658199 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 240534201212240 its reverse (42212102435042), we get a palindrome (282746303647282).

The spelling of 240534201212240 in words is "two hundred forty trillion, five hundred thirty-four billion, two hundred one million, two hundred twelve thousand, two hundred forty".