240040245 has 8 divisors (see below), whose sum is σ = 384064416. Its totient is φ = 128021456.

The previous prime is 240040237. The next prime is 240040249. The reversal of 240040245 is 542040042.

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

It is a cyclic number.

It is not a de Polignac number, because 240040245 - 2³ = 240040237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240040249) 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, 8001327 + ... + 8001356.

It is an arithmetic number, because the mean of its divisors is an integer number (48008052).

Almost surely, 2^240040245 is an apocalyptic number.

It is an amenable number.

240040245 is a deficient number, since it is larger than the sum of its proper divisors (144024171).

240040245 is a wasteful number, since it uses less digits than its factorization.

240040245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16002691.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 240040245 is about 15493.2322321716. The cubic root of 240040245 is about 621.4812355194.

Adding to 240040245 its reverse (542040042), we get a palindrome (782080287).

The spelling of 240040245 in words is "two hundred forty million, forty thousand, two hundred forty-five".