240395805 has 48 divisors (see below), whose sum is σ = 454237056. Its totient is φ = 116899200.

The previous prime is 240395801. The next prime is 240395879. The reversal of 240395805 is 508593042.

240395805 is a `hidden beast` number, since 2 + 40 + 39 + 580 + 5 = 666.

It is not a de Polignac number, because 240395805 - 2² = 240395801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240395805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240395801) 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 47 ways as a sum of consecutive naturals, for example, 46080 + ... + 51030.

It is an arithmetic number, because the mean of its divisors is an integer number (9463272).

Almost surely, 2^240395805 is an apocalyptic number.

It is an amenable number.

240395805 is a deficient number, since it is larger than the sum of its proper divisors (213841251).

240395805 is a wasteful number, since it uses less digits than its factorization.

240395805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058 (or 5055 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 240395805 is about 15504.7026737052. The cubic root of 240395805 is about 621.7879408274.

The spelling of 240395805 in words is "two hundred forty million, three hundred ninety-five thousand, eight hundred five".