440012002 has 8 divisors (see below), whose sum is σ = 661543596. Its totient is φ = 219497472.

The previous prime is 440011997. The next prime is 440012009. The reversal of 440012002 is 200210044.

It can be written as a sum of positive squares in 2 ways, for example, as 370139121 + 69872881 = 19239^2 + 8359^2 .

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

It is a super-2 number, since 2×440012002² = 387221123808096008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440012009) 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 3 ways as a sum of consecutive naturals, for example, 253183 + ... + 254914.

Almost surely, 2^440012002 is an apocalyptic number.

440012002 is a deficient number, since it is larger than the sum of its proper divisors (221531594).

440012002 is a wasteful number, since it uses less digits than its factorization.

440012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508532.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 440012002 is about 20976.4630479020. The cubic root of 440012002 is about 760.5974077008.

Adding to 440012002 its reverse (200210044), we get a palindrome (640222046).

The spelling of 440012002 in words is "four hundred forty million, twelve thousand, two".