240740871 has 12 divisors (see below), whose sum is σ = 373394232. Its totient is φ = 137566128.

The previous prime is 240740867. The next prime is 240740881. The reversal of 240740871 is 178047042.

240740871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240740871 - 2² = 240740867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240740881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818700 + ... + 818993.

It is an arithmetic number, because the mean of its divisors is an integer number (31116186).

Almost surely, 2^240740871 is an apocalyptic number.

240740871 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

240740871 is a deficient number, since it is larger than the sum of its proper divisors (132653361).

240740871 is a wasteful number, since it uses less digits than its factorization.

240740871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637710 (or 1637703 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 240740871 is about 15515.8264684805. The cubic root of 240740871 is about 622.0853050015.

The spelling of 240740871 in words is "two hundred forty million, seven hundred forty thousand, eight hundred seventy-one".