440011121 has 8 divisors (see below), whose sum is σ = 480164544. Its totient is φ = 399883120.

The previous prime is 440011111. The next prime is 440011129. The reversal of 440011121 is 121110044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440011121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440011096 and 440011105.

It is not an unprimeable number, because it can be changed into a prime (440011129) by changing a digit.

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, 60155 + ... + 67071.

It is an arithmetic number, because the mean of its divisors is an integer number (60020568).

Almost surely, 2^440011121 is an apocalyptic number.

It is an amenable number.

440011121 is a deficient number, since it is larger than the sum of its proper divisors (40153423).

440011121 is a wasteful number, since it uses less digits than its factorization.

440011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12711.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 440011121 is about 20976.4420481644. The cubic root of 440011121 is about 760.5969000732.

Adding to 440011121 its reverse (121110044), we get a palindrome (561121165).

The spelling of 440011121 in words is "four hundred forty million, eleven thousand, one hundred twenty-one".