240662668 has 24 divisors (see below), whose sum is σ = 424975824. Its totient is φ = 119246400.

The previous prime is 240662663. The next prime is 240662717. The reversal of 240662668 is 866266042.

It is a self number, because there is not a number n which added to its sum of digits gives 240662668.

It is not an unprimeable number, because it can be changed into a prime (240662663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355146 + ... + 355822.

It is an arithmetic number, because the mean of its divisors is an integer number (17707326).

Almost surely, 2^240662668 is an apocalyptic number.

It is an amenable number.

240662668 is a deficient number, since it is larger than the sum of its proper divisors (184313156).

240662668 is a wasteful number, since it uses less digits than its factorization.

240662668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 240662668 is about 15513.3061595522. The cubic root of 240662668 is about 622.0179376761.

The spelling of 240662668 in words is "two hundred forty million, six hundred sixty-two thousand, six hundred sixty-eight".