240534081 has 6 divisors (see below), whose sum is σ = 347438130. Its totient is φ = 160356048.

The previous prime is 240534067. The next prime is 240534089. The reversal of 240534081 is 180435042.

240534081 is a `hidden beast` number, since 240 + 5 + 340 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 139712400 + 100821681 = 11820^2 + 10041^2 .

It is not a de Polignac number, because 240534081 - 2⁶ = 240534017 is a prime.

It is a super-2 number, since 2×240534081² = 115713288245029122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240534089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13362996 + ... + 13363013.

It is an arithmetic number, because the mean of its divisors is an integer number (57906355).

Almost surely, 2^240534081 is an apocalyptic number.

It is an amenable number.

240534081 is a deficient number, since it is larger than the sum of its proper divisors (106904049).

240534081 is a wasteful number, since it uses less digits than its factorization.

240534081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26726015 (or 26726012 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 240534081 is about 15509.1611958868. The cubic root of 240534081 is about 621.9071357382.

The spelling of 240534081 in words is "two hundred forty million, five hundred thirty-four thousand, eighty-one".