240011020243 has 8 divisors (see below), whose sum is σ = 245980412496. Its totient is φ = 234047126400.

The previous prime is 240011020217. The next prime is 240011020307. The reversal of 240011020243 is 342020110042.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240011020243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240011020243.

It is not an unprimeable number, because it can be changed into a prime (240011030243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286146 + ... + 1460887.

It is an arithmetic number, because the mean of its divisors is an integer number (30747551562).

Almost surely, 2^240011020243 is an apocalyptic number.

240011020243 is a deficient number, since it is larger than the sum of its proper divisors (5969392253).

240011020243 is a wasteful number, since it uses less digits than its factorization.

240011020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749205.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 240011020243 its reverse (342020110042), we get a palindrome (582031130285).

The spelling of 240011020243 in words is "two hundred forty billion, eleven million, twenty thousand, two hundred forty-three".