4440155 has 8 divisors (see below), whose sum is σ = 5364384. Its totient is φ = 3528000.

The previous prime is 4440133. The next prime is 4440169. The reversal of 4440155 is 5510444.

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

It is not a de Polignac number, because 4440155 - 2⁸ = 4439899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440155.

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, 2186 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (670548).

Almost surely, 2^4440155 is an apocalyptic number.

4440155 is a deficient number, since it is larger than the sum of its proper divisors (924229).

4440155 is a wasteful number, since it uses less digits than its factorization.

4440155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4440155 is about 2107.1675301219. The cubic root of 4440155 is about 164.3612278649.

Adding to 4440155 its reverse (5510444), we get a palindrome (9950599).

The spelling of 4440155 in words is "four million, four hundred forty thousand, one hundred fifty-five".