240262642 has 8 divisors (see below), whose sum is σ = 360474156. Its totient is φ = 120104592.

The previous prime is 240262613. The next prime is 240262661. The reversal of 240262642 is 246262042.

It can be written as a sum of positive squares in 2 ways, for example, as 212605561 + 27657081 = 14581^2 + 5259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×240262642³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 240262642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928 + ... + 21940.

Almost surely, 2^240262642 is an apocalyptic number.

240262642 is a deficient number, since it is larger than the sum of its proper divisors (120211514).

240262642 is a wasteful number, since it uses less digits than its factorization.

240262642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26732.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 240262642 is about 15500.4078010870. The cubic root of 240262642 is about 621.6731101483.

The spelling of 240262642 in words is "two hundred forty million, two hundred sixty-two thousand, six hundred forty-two".