4400730245 has 8 divisors (see below), whose sum is σ = 5591516184. Its totient is φ = 3313490944.

The previous prime is 4400730221. The next prime is 4400730263. The reversal of 4400730245 is 5420370044.

It is a Cunningham number, because it is equal to 66338²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1584199204 + 2816531041 = 39802^2 + 53071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4400730245 - 2³⁰ = 3326988421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25886564 + ... + 25886733.

It is an arithmetic number, because the mean of its divisors is an integer number (698939523).

Almost surely, 2^4400730245 is an apocalyptic number.

It is an amenable number.

4400730245 is a deficient number, since it is larger than the sum of its proper divisors (1190785939).

4400730245 is a wasteful number, since it uses less digits than its factorization.

4400730245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51773319.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 4400730245 is about 66338.0000075372. Note that the first 5 decimals coincide. The cubic root of 4400730245 is about 1638.7331884990.

The spelling of 4400730245 in words is "four billion, four hundred million, seven hundred thirty thousand, two hundred forty-five".