4446820266 has 24 divisors (see below), whose sum is σ = 10345664160. Its totient is φ = 1270519992.

The previous prime is 4446820159. The next prime is 4446820277. The reversal of 4446820266 is 6620286444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7562326 + ... + 7562913.

It is an arithmetic number, because the mean of its divisors is an integer number (431069340).

Almost surely, 2^4446820266 is an apocalyptic number.

4446820266 is an abundant number, since it is smaller than the sum of its proper divisors (5898843894).

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

4446820266 is a wasteful number, since it uses less digits than its factorization.

4446820266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15125258 (or 15125251 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The square root of 4446820266 is about 66684.4829476843. The cubic root of 4446820266 is about 1644.4342946906.

The spelling of 4446820266 in words is "four billion, four hundred forty-six million, eight hundred twenty thousand, two hundred sixty-six".