240042064205 has 8 divisors (see below), whose sum is σ = 291286999800. Its totient is φ = 189875969536.

The previous prime is 240042064193. The next prime is 240042064231. The reversal of 240042064205 is 502460240042.

It can be written as a sum of positive squares in 4 ways, for example, as 7446136681 + 232595927524 = 86291^2 + 482282^2 .

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 240042064205 - 2¹² = 240042060109 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269709740 + ... + 269710629.

It is an arithmetic number, because the mean of its divisors is an integer number (36410874975).

Almost surely, 2^240042064205 is an apocalyptic number.

It is an amenable number.

240042064205 is a deficient number, since it is larger than the sum of its proper divisors (51244935595).

240042064205 is an equidigital number, since it uses as much as digits as its factorization.

240042064205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539420463.

The product of its (nonzero) digits is 15360, while the sum is 29.

The spelling of 240042064205 in words is "two hundred forty billion, forty-two million, sixty-four thousand, two hundred five".