4440455 has 4 divisors (see below), whose sum is σ = 5328552. Its totient is φ = 3552360.

The previous prime is 4440439. The next prime is 4440461. The reversal of 4440455 is 5540444.

4440455 is nontrivially palindromic in base 9.

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

It is not a de Polignac number, because 4440455 - 2⁴ = 4440439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444041 + ... + 444050.

It is an arithmetic number, because the mean of its divisors is an integer number (1332138).

Almost surely, 2^4440455 is an apocalyptic number.

4440455 is a deficient number, since it is larger than the sum of its proper divisors (888097).

4440455 is an equidigital number, since it uses as much as digits as its factorization.

4440455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888096.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 4440455 is about 2107.2387145267. The cubic root of 4440455 is about 164.3649294818.

Adding to 4440455 its reverse (5540444), we get a palindrome (9980899).

The spelling of 4440455 in words is "four million, four hundred forty thousand, four hundred fifty-five".