440412229 has 4 divisors (see below), whose sum is σ = 463591840. Its totient is φ = 417232620.

The previous prime is 440412227. The next prime is 440412311. The reversal of 440412229 is 922214044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440412229 - 2¹ = 440412227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440412197 and 440412206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440412227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11589777 + ... + 11589814.

It is an arithmetic number, because the mean of its divisors is an integer number (115897960).

Almost surely, 2^440412229 is an apocalyptic number.

It is an amenable number.

440412229 is a deficient number, since it is larger than the sum of its proper divisors (23179611).

440412229 is a wasteful number, since it uses less digits than its factorization.

440412229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23179610.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 440412229 is about 20986.0007862384. Note that the first 3 decimals coincide. The cubic root of 440412229 is about 760.8279463893.

The spelling of 440412229 in words is "four hundred forty million, four hundred twelve thousand, two hundred twenty-nine".