240447091 has 8 divisors (see below), whose sum is σ = 249066000. Its totient is φ = 231850080.

The previous prime is 240447089. The next prime is 240447107. The reversal of 240447091 is 190744042.

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 240447091 - 2¹ = 240447089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240447491) 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, 18760 + ... + 28858.

It is an arithmetic number, because the mean of its divisors is an integer number (31133250).

Almost surely, 2^240447091 is an apocalyptic number.

240447091 is a deficient number, since it is larger than the sum of its proper divisors (8618909).

240447091 is a wasteful number, since it uses less digits than its factorization.

240447091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10949.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 240447091 is about 15506.3564708154. The cubic root of 240447091 is about 621.8321550611.

The spelling of 240447091 in words is "two hundred forty million, four hundred forty-seven thousand, ninety-one".