240288447 has 8 divisors (see below), whose sum is σ = 366153856. Its totient is φ = 137307672.

The previous prime is 240288437. The next prime is 240288463. The reversal of 240288447 is 744882042.

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

It is not a de Polignac number, because 240288447 - 2⁴ = 240288431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240288407) 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, 5721133 + ... + 5721174.

It is an arithmetic number, because the mean of its divisors is an integer number (45769232).

Almost surely, 2^240288447 is an apocalyptic number.

240288447 is a deficient number, since it is larger than the sum of its proper divisors (125865409).

240288447 is a wasteful number, since it uses less digits than its factorization.

240288447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442317.

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 240288447 is about 15501.2401761924. The cubic root of 240288447 is about 621.6953659322.

The spelling of 240288447 in words is "two hundred forty million, two hundred eighty-eight thousand, four hundred forty-seven".