64240266 has 8 divisors (see below), whose sum is σ = 128480544. Its totient is φ = 21413420.

The previous prime is 64240247. The next prime is 64240271. The reversal of 64240266 is 66204246.

64240266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

64240266 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5353350 + ... + 5353361.

It is an arithmetic number, because the mean of its divisors is an integer number (16060068).

Almost surely, 2^64240266 is an apocalyptic number.

64240266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64240266 is a wasteful number, since it uses less digits than its factorization.

64240266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10706716.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 64240266 is about 8015.0025577039. The cubic root of 64240266 is about 400.4999290836.

The spelling of 64240266 in words is "sixty-four million, two hundred forty thousand, two hundred sixty-six".