240581941871 has 4 divisors (see below), whose sum is σ = 240584232600. Its totient is φ = 240579651144.

The previous prime is 240581941849. The next prime is 240581941877. The reversal of 240581941871 is 178149185042.

240581941871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240581941871 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 (240581941877) 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, 979856 + ... + 1200533.

It is an arithmetic number, because the mean of its divisors is an integer number (60146058150).

Almost surely, 2^240581941871 is an apocalyptic number.

240581941871 is a deficient number, since it is larger than the sum of its proper divisors (2290729).

240581941871 is a wasteful number, since it uses less digits than its factorization.

240581941871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290728.

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 240581941871 in words is "two hundred forty billion, five hundred eighty-one million, nine hundred forty-one thousand, eight hundred seventy-one".