240086726881 has 4 divisors (see below), whose sum is σ = 240657004564. Its totient is φ = 239516449200.

The previous prime is 240086726849. The next prime is 240086726917. The reversal of 240086726881 is 188627680042.

It is a happy number.

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 72621626256 + 167465100625 = 269484^2 + 409225^2 .

It is a cyclic number.

It is not a de Polignac number, because 240086726881 - 2⁵ = 240086726849 is a prime.

It is a super-2 number, since 2×240086726881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240086726381) 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, 285138210 + ... + 285139051.

It is an arithmetic number, because the mean of its divisors is an integer number (60164251141).

Almost surely, 2^240086726881 is an apocalyptic number.

It is an amenable number.

240086726881 is a deficient number, since it is larger than the sum of its proper divisors (570277683).

240086726881 is an equidigital number, since it uses as much as digits as its factorization.

240086726881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570277682.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 240086726881 in words is "two hundred forty billion, eighty-six million, seven hundred twenty-six thousand, eight hundred eighty-one".