240353552345 has 4 divisors (see below), whose sum is σ = 288424262820. Its totient is φ = 192282841872.

The previous prime is 240353552339. The next prime is 240353552363. The reversal of 240353552345 is 543255353042.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122067083161 + 118286469184 = 349381^2 + 343928^2 .

It is a cyclic number.

It is not a de Polignac number, because 240353552345 - 2¹² = 240353548249 is a prime.

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, 24035355230 + ... + 24035355239.

It is an arithmetic number, because the mean of its divisors is an integer number (72106065705).

Almost surely, 2^240353552345 is an apocalyptic number.

It is an amenable number.

240353552345 is a deficient number, since it is larger than the sum of its proper divisors (48070710475).

240353552345 is an equidigital number, since it uses as much as digits as its factorization.

240353552345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48070710474.

The product of its (nonzero) digits is 1080000, while the sum is 41.

The spelling of 240353552345 in words is "two hundred forty billion, three hundred fifty-three million, five hundred fifty-two thousand, three hundred forty-five".