4045940285 has 4 divisors (see below), whose sum is σ = 4855128348. Its totient is φ = 3236752224.

The previous prime is 4045940273. The next prime is 4045940287. The reversal of 4045940285 is 5820495404.

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 1883039236 + 2162901049 = 43394^2 + 46507^2 .

It is a cyclic number.

It is not a de Polignac number, because 4045940285 - 2⁶ = 4045940221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045940287) 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, 404594024 + ... + 404594033.

It is an arithmetic number, because the mean of its divisors is an integer number (1213782087).

Almost surely, 2^4045940285 is an apocalyptic number.

It is an amenable number.

4045940285 is a deficient number, since it is larger than the sum of its proper divisors (809188063).

4045940285 is an equidigital number, since it uses as much as digits as its factorization.

4045940285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809188062.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 4045940285 is about 63607.7061762174. The cubic root of 4045940285 is about 1593.4550718954.

The spelling of 4045940285 in words is "four billion, forty-five million, nine hundred forty thousand, two hundred eighty-five".