240042402011 has 4 divisors (see below), whose sum is σ = 240114511800. Its totient is φ = 239970292224.

The previous prime is 240042402007. The next prime is 240042402023. The reversal of 240042402011 is 110204240042.

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

It is a cyclic number.

It is not a de Polignac number, because 240042402011 - 2² = 240042402007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240042402001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36049901 + ... + 36056558.

It is an arithmetic number, because the mean of its divisors is an integer number (60028627950).

Almost surely, 2^240042402011 is an apocalyptic number.

240042402011 is a deficient number, since it is larger than the sum of its proper divisors (72109789).

240042402011 is an equidigital number, since it uses as much as digits as its factorization.

240042402011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72109788.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 240042402011 its reverse (110204240042), we get a palindrome (350246642053).

The spelling of 240042402011 in words is "two hundred forty billion, forty-two million, four hundred two thousand, eleven".