440444445 has 32 divisors (see below), whose sum is σ = 806326272. Its totient is φ = 201110592.

The previous prime is 440444429. The next prime is 440444467. The reversal of 440444445 is 544444044.

It is not a de Polignac number, because 440444445 - 2⁴ = 440444429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113914 + ... + 117716.

It is an arithmetic number, because the mean of its divisors is an integer number (25197696).

Almost surely, 2^440444445 is an apocalyptic number.

It is an amenable number.

440444445 is a deficient number, since it is larger than the sum of its proper divisors (365881827).

440444445 is a wasteful number, since it uses less digits than its factorization.

440444445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its (nonzero) digits is 81920, while the sum is 33.

The square root of 440444445 is about 20986.7683314988. The cubic root of 440444445 is about 760.8464973694.

Adding to 440444445 its reverse (544444044), we get a palindrome (984888489).

The spelling of 440444445 in words is "four hundred forty million, four hundred forty-four thousand, four hundred forty-five".