806645264 has 10 divisors (see below), whose sum is σ = 1562875230. Its totient is φ = 403322624.

The previous prime is 806645249. The next prime is 806645267. The reversal of 806645264 is 462546608.

It can be written as a sum of positive squares in only one way, i.e., 806560000 + 85264 = 28400^2 + 292^2 .

It is not an unprimeable number, because it can be changed into a prime (806645267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25207649 + ... + 25207680.

It is an arithmetic number, because the mean of its divisors is an integer number (156287523).

Almost surely, 2^806645264 is an apocalyptic number.

It is an amenable number.

806645264 is a deficient number, since it is larger than the sum of its proper divisors (756229966).

806645264 is a wasteful number, since it uses less digits than its factorization.

806645264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50415337 (or 50415331 counting only the distinct ones).

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

The square root of 806645264 is about 28401.5010870904. The cubic root of 806645264 is about 930.8810642891.

The spelling of 806645264 in words is "eight hundred six million, six hundred forty-five thousand, two hundred sixty-four".