240352243546 has 4 divisors (see below), whose sum is σ = 360528365322. Its totient is φ = 120176121772.

The previous prime is 240352243543. The next prime is 240352243559. The reversal of 240352243546 is 645342253042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 238285541025 + 2066702521 = 488145^2 + 45461^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 240352243499 and 240352243508.

It is not an unprimeable number, because it can be changed into a prime (240352243543) by changing a digit.

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 as a sum of consecutive naturals, namely, 60088060885 + ... + 60088060888.

Almost surely, 2^240352243546 is an apocalyptic number.

240352243546 is a deficient number, since it is larger than the sum of its proper divisors (120176121776).

240352243546 is a wasteful number, since it uses less digits than its factorization.

240352243546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120176121775.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 240352243546 its reverse (645342253042), we get a palindrome (885694496588).

The spelling of 240352243546 in words is "two hundred forty billion, three hundred fifty-two million, two hundred forty-three thousand, five hundred forty-six".