240445047 has 8 divisors (see below), whose sum is σ = 326642544. Its totient is φ = 157272128.

The previous prime is 240445043. The next prime is 240445063. The reversal of 240445047 is 740544042.

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 240445047 - 2² = 240445043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240445043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 755958 + ... + 756275.

It is an arithmetic number, because the mean of its divisors is an integer number (40830318).

Almost surely, 2^240445047 is an apocalyptic number.

240445047 is a deficient number, since it is larger than the sum of its proper divisors (86197497).

240445047 is a wasteful number, since it uses less digits than its factorization.

240445047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512289.

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 240445047 is about 15506.2905622202. The cubic root of 240445047 is about 621.8303930261.

Adding to 240445047 its reverse (740544042), we get a palindrome (980989089).

The spelling of 240445047 in words is "two hundred forty million, four hundred forty-five thousand, forty-seven".