240252111343540 has 12 divisors (see below), whose sum is σ = 504529433821476. Its totient is φ = 96100844537408.

The previous prime is 240252111343537. The next prime is 240252111343583. The reversal of 240252111343540 is 45343111252042.

It can be written as a sum of positive squares in 2 ways, for example, as 47209486679056 + 193042624664484 = 6870916^2 + 13893978^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240252111343540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006302783569 + ... + 6006302783608.

It is an arithmetic number, because the mean of its divisors is an integer number (42044119485123).

Almost surely, 2^{240252111343540} is an apocalyptic number.

240252111343540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240252111343540 is an abundant number, since it is smaller than the sum of its proper divisors (264277322477936).

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

240252111343540 is a wasteful number, since it uses less digits than its factorization.

240252111343540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012605567186 (or 12012605567184 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 240252111343540 its reverse (45343111252042), we get a palindrome (285595222595582).

The spelling of 240252111343540 in words is "two hundred forty trillion, two hundred fifty-two billion, one hundred eleven million, three hundred forty-three thousand, five hundred forty".