652440866 has 32 divisors (see below), whose sum is σ = 1225082880. Its totient is φ = 253170000.

The previous prime is 652440863. The next prime is 652440871. The reversal of 652440866 is 668044256.

652440866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (652440863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30215 + ... + 47093.

It is an arithmetic number, because the mean of its divisors is an integer number (38283840).

Almost surely, 2^652440866 is an apocalyptic number.

652440866 is a deficient number, since it is larger than the sum of its proper divisors (572642014).

652440866 is a wasteful number, since it uses less digits than its factorization.

652440866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17150.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 652440866 is about 25542.9220333148. The cubic root of 652440866 is about 867.3220450696.

The spelling of 652440866 in words is "six hundred fifty-two million, four hundred forty thousand, eight hundred sixty-six".