4402309385 has 4 divisors (see below), whose sum is σ = 5282771268. Its totient is φ = 3521847504.

The previous prime is 4402309381. The next prime is 4402309403. The reversal of 4402309385 is 5839032044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3485249296 + 917060089 = 59036^2 + 30283^2 .

It is a cyclic number.

It is not a de Polignac number, because 4402309385 - 2² = 4402309381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4402309381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440230934 + ... + 440230943.

It is an arithmetic number, because the mean of its divisors is an integer number (1320692817).

Almost surely, 2^4402309385 is an apocalyptic number.

It is an amenable number.

4402309385 is a deficient number, since it is larger than the sum of its proper divisors (880461883).

4402309385 is an equidigital number, since it uses as much as digits as its factorization.

4402309385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880461882.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 4402309385 is about 66349.9011679746. The cubic root of 4402309385 is about 1638.9291771581.

The spelling of 4402309385 in words is "four billion, four hundred two million, three hundred nine thousand, three hundred eighty-five".