243241050540 has 48 divisors (see below), whose sum is σ = 682022315520. Its totient is φ = 64774054080.

The previous prime is 243241050523. The next prime is 243241050571. The reversal of 243241050540 is 45050142342.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 243241050498 and 243241050507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776066 + ... + 2862345.

It is an arithmetic number, because the mean of its divisors is an integer number (14208798240).

Almost surely, 2^243241050540 is an apocalyptic number.

243241050540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243241050540 is an abundant number, since it is smaller than the sum of its proper divisors (438781264980).

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

243241050540 is a wasteful number, since it uses less digits than its factorization.

243241050540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639142 (or 5639140 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 243241050540 its reverse (45050142342), we get a palindrome (288291192882).

The spelling of 243241050540 in words is "two hundred forty-three billion, two hundred forty-one million, fifty thousand, five hundred forty".