240016390 has 8 divisors (see below), whose sum is σ = 432029520. Its totient is φ = 96006552.

The previous prime is 240016369. The next prime is 240016391. The reversal of 240016390 is 93610042.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240016391) 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 in 3 ways as a sum of consecutive naturals, for example, 12000810 + ... + 12000829.

It is an arithmetic number, because the mean of its divisors is an integer number (54003690).

Almost surely, 2^240016390 is an apocalyptic number.

240016390 is a deficient number, since it is larger than the sum of its proper divisors (192013130).

240016390 is a wasteful number, since it uses less digits than its factorization.

240016390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24001646.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 240016390 is about 15492.4623607740. The cubic root of 240016390 is about 621.4606474079.

The spelling of 240016390 in words is "two hundred forty million, sixteen thousand, three hundred ninety".