4266644385 has 16 divisors (see below), whose sum is σ = 6831126720. Its totient is φ = 2274045120.

The previous prime is 4266644383. The next prime is 4266644399. The reversal of 4266644385 is 5834466624.

It is not a de Polignac number, because 4266644385 - 2¹ = 4266644383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4266644383) 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, 69930 + ... + 115859.

It is an arithmetic number, because the mean of its divisors is an integer number (426945420).

Almost surely, 2^4266644385 is an apocalyptic number.

It is an amenable number.

4266644385 is a deficient number, since it is larger than the sum of its proper divisors (2564482335).

4266644385 is a wasteful number, since it uses less digits than its factorization.

4266644385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187328.

The product of its digits is 3317760, while the sum is 48.

The square root of 4266644385 is about 65319.5559155143. Note that the first 3 decimals coincide. The cubic root of 4266644385 is about 1621.9177087814.

The spelling of 4266644385 in words is "four billion, two hundred sixty-six million, six hundred forty-four thousand, three hundred eighty-five".