240619680901 has 4 divisors (see below), whose sum is σ = 240627775212. Its totient is φ = 240611586592.

The previous prime is 240619680871. The next prime is 240619680923. The reversal of 240619680901 is 109086916042.

It is a happy number.

It is a Cunningham number, because it is equal to 490530²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9974815876 + 230644865025 = 99874^2 + 480255^2 .

It is a cyclic number.

It is not a de Polignac number, because 240619680901 - 2¹¹ = 240619678853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240619680101) 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, 4002400 + ... + 4062073.

It is an arithmetic number, because the mean of its divisors is an integer number (60156943803).

Almost surely, 2^240619680901 is an apocalyptic number.

It is an amenable number.

240619680901 is a deficient number, since it is larger than the sum of its proper divisors (8094311).

240619680901 is an equidigital number, since it uses as much as digits as its factorization.

240619680901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094310.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 240619680901 in words is "two hundred forty billion, six hundred nineteen million, six hundred eighty thousand, nine hundred one".