240080669 has 2 divisors, whose sum is σ = 240080670. Its totient is φ = 240080668.

The previous prime is 240080663. The next prime is 240080677. The reversal of 240080669 is 966080042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238548025 + 1532644 = 15445^2 + 1238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240080669 is a prime.

It is a super-2 number, since 2×240080669² = 115277455254975122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240080663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120040334 + 120040335.

It is an arithmetic number, because the mean of its divisors is an integer number (120040335).

Almost surely, 2^240080669 is an apocalyptic number.

It is an amenable number.

240080669 is a deficient number, since it is larger than the sum of its proper divisors (1).

240080669 is an equidigital number, since it uses as much as digits as its factorization.

240080669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 240080669 is about 15494.5367468666. The cubic root of 240080669 is about 621.5161204298.

The spelling of 240080669 in words is "two hundred forty million, eighty thousand, six hundred sixty-nine".