240446081 has 2 divisors, whose sum is σ = 240446082. Its totient is φ = 240446080.

The previous prime is 240446077. The next prime is 240446111. The reversal of 240446081 is 180644042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197149681 + 43296400 = 14041^2 + 6580^2 .

It is a cyclic number.

It is not a de Polignac number, because 240446081 - 2² = 240446077 is a prime.

It is a super-3 number, since 3×240446081³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (240446051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120223040 + 120223041.

It is an arithmetic number, because the mean of its divisors is an integer number (120223041).

Almost surely, 2^240446081 is an apocalyptic number.

It is an amenable number.

240446081 is a deficient number, since it is larger than the sum of its proper divisors (1).

240446081 is an equidigital number, since it uses as much as digits as its factorization.

240446081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 240446081 is about 15506.3239034918. The cubic root of 240446081 is about 621.8312843895.

The spelling of 240446081 in words is "two hundred forty million, four hundred forty-six thousand, eighty-one".