440121411 has 8 divisors (see below), whose sum is σ = 652031760. Its totient is φ = 293414256.

The previous prime is 440121379. The next prime is 440121419. The reversal of 440121411 is 114121044.

440121411 is a `hidden beast` number, since 440 + 1 + 214 + 11 = 666.

It is not a de Polignac number, because 440121411 - 2⁵ = 440121379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440121419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8150370 + ... + 8150423.

It is an arithmetic number, because the mean of its divisors is an integer number (81503970).

Almost surely, 2^440121411 is an apocalyptic number.

440121411 is a deficient number, since it is larger than the sum of its proper divisors (211910349).

440121411 is a wasteful number, since it uses less digits than its factorization.

440121411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16300802 (or 16300796 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 440121411 is about 20979.0707849514. The cubic root of 440121411 is about 760.6604433340.

Adding to 440121411 its reverse (114121044), we get a palindrome (554242455).

The spelling of 440121411 in words is "four hundred forty million, one hundred twenty-one thousand, four hundred eleven".