4090445305 has 32 divisors (see below), whose sum is σ = 5326358400. Its totient is φ = 3005517312.

The previous prime is 4090445299. The next prime is 4090445309. The reversal of 4090445305 is 5035440904.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4090445305 - 2²¹ = 4088348153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4090445309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555991 + ... + 563299.

It is an arithmetic number, because the mean of its divisors is an integer number (166448700).

Almost surely, 2^4090445305 is an apocalyptic number.

It is an amenable number.

4090445305 is a deficient number, since it is larger than the sum of its proper divisors (1235913095).

4090445305 is a wasteful number, since it uses less digits than its factorization.

4090445305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 4090445305 is about 63956.5892226907. The cubic root of 4090445305 is about 1599.2764052278.

The spelling of 4090445305 in words is "four billion, ninety million, four hundred forty-five thousand, three hundred five".