4640266266 has 16 divisors (see below), whose sum is σ = 9506887488. Its totient is φ = 1509029600.

The previous prime is 4640266219. The next prime is 4640266271. The reversal of 4640266266 is 6626620464.

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 7 ways as a sum of consecutive naturals, for example, 9431190 + ... + 9431681.

It is an arithmetic number, because the mean of its divisors is an integer number (594180468).

Almost surely, 2^4640266266 is an apocalyptic number.

4640266266 is an abundant number, since it is smaller than the sum of its proper divisors (4866621222).

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

4640266266 is a wasteful number, since it uses less digits than its factorization.

4640266266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18862917.

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 4640266266 is about 68119.4998954044. The cubic root of 4640266266 is about 1667.9420867643.

The spelling of 4640266266 in words is "four billion, six hundred forty million, two hundred sixty-six thousand, two hundred sixty-six".