2642240117 has 4 divisors (see below), whose sum is σ = 2882443776. Its totient is φ = 2402036460.

The previous prime is 2642240077. The next prime is 2642240137. The reversal of 2642240117 is 7110422462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2642240117 - 2⁶ = 2642240053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642240117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642240137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120101813 + ... + 120101834.

It is an arithmetic number, because the mean of its divisors is an integer number (720610944).

Almost surely, 2^2642240117 is an apocalyptic number.

It is an amenable number.

2642240117 is a deficient number, since it is larger than the sum of its proper divisors (240203659).

2642240117 is a wasteful number, since it uses less digits than its factorization.

2642240117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240203658.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2642240117 is about 51402.7248013177. The cubic root of 2642240117 is about 1382.4754485316.

Adding to 2642240117 its reverse (7110422462), we get a palindrome (9752662579).

The spelling of 2642240117 in words is "two billion, six hundred forty-two million, two hundred forty thousand, one hundred seventeen".