240707881 has 2 divisors, whose sum is σ = 240707882. Its totient is φ = 240707880.

The previous prime is 240707833. The next prime is 240707893. The reversal of 240707881 is 188707042.

240707881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121352256 + 119355625 = 11016^2 + 10925^2 .

It is a cyclic number.

It is not a de Polignac number, because 240707881 - 2²³ = 232319273 is a prime.

It is a super-2 number, since 2×240707881² = 115880567951020322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240707881.

It is not a weakly prime, because it can be changed into another prime (240707381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120353940 + 120353941.

It is an arithmetic number, because the mean of its divisors is an integer number (120353941).

Almost surely, 2^240707881 is an apocalyptic number.

It is an amenable number.

240707881 is a deficient number, since it is larger than the sum of its proper divisors (1).

240707881 is an equidigital number, since it uses as much as digits as its factorization.

240707881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 240707881 is about 15514.7633240085. The cubic root of 240707881 is about 622.0568878191.

The spelling of 240707881 in words is "two hundred forty million, seven hundred seven thousand, eight hundred eighty-one".