240071668 has 12 divisors (see below), whose sum is σ = 421870372. Its totient is φ = 119537280.

The previous prime is 240071641. The next prime is 240071681. The reversal of 240071668 is 866170042.

It can be written as a sum of positive squares in 2 ways, for example, as 222666084 + 17405584 = 14922^2 + 4172^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 123555 + ... + 125482.

Almost surely, 2^240071668 is an apocalyptic number.

It is an amenable number.

240071668 is a deficient number, since it is larger than the sum of its proper divisors (181798704).

240071668 is a wasteful number, since it uses less digits than its factorization.

240071668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249282 (or 249280 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 240071668 is about 15494.2462869286. The cubic root of 240071668 is about 621.5083531287.

The spelling of 240071668 in words is "two hundred forty million, seventy-one thousand, six hundred sixty-eight".