4400320445 has 8 divisors (see below), whose sum is σ = 5315354880. Its totient is φ = 3496942800.

The previous prime is 4400320427. The next prime is 4400320471. The reversal of 4400320445 is 5440230044.

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

It is not a de Polignac number, because 4400320445 - 2⁸ = 4400320189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2913365 + ... + 2914874.

It is an arithmetic number, because the mean of its divisors is an integer number (664419360).

Almost surely, 2^4400320445 is an apocalyptic number.

It is an amenable number.

4400320445 is a deficient number, since it is larger than the sum of its proper divisors (915034435).

4400320445 is a wasteful number, since it uses less digits than its factorization.

4400320445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828395.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 4400320445 is about 66334.9112082017. The cubic root of 4400320445 is about 1638.6823201454.

Adding to 4400320445 its reverse (5440230044), we get a palindrome (9840550489).

The spelling of 4400320445 in words is "four billion, four hundred million, three hundred twenty thousand, four hundred forty-five".