240021001033243 has 8 divisors (see below), whose sum is σ = 240318510919200. Its totient is φ = 239723505392448.

The previous prime is 240021001033213. The next prime is 240021001033249. The reversal of 240021001033243 is 342330100120042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240021001033243 - 2⁴⁵ = 204836628944411 is a prime.

It is a super-2 number, since 2×240021001033243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240021001033249) 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 in 7 ways as a sum of consecutive naturals, for example, 30358263 + ... + 37438831.

It is an arithmetic number, because the mean of its divisors is an integer number (30039813864900).

Almost surely, 2^{240021001033243} is an apocalyptic number.

240021001033243 is a deficient number, since it is larger than the sum of its proper divisors (297509885957).

240021001033243 is an equidigital number, since it uses as much as digits as its factorization.

240021001033243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122581.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 240021001033243 its reverse (342330100120042), we get a palindrome (582351101153285).

The spelling of 240021001033243 in words is "two hundred forty trillion, twenty-one billion, one million, thirty-three thousand, two hundred forty-three".