440012102 has 4 divisors (see below), whose sum is σ = 660018156. Its totient is φ = 220006050.

The previous prime is 440012039. The next prime is 440012107. The reversal of 440012102 is 201210044.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×440012102² = 387221299812916808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440012107) 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 as a sum of consecutive naturals, namely, 110003024 + ... + 110003027.

It is an arithmetic number, because the mean of its divisors is an integer number (165004539).

Almost surely, 2^440012102 is an apocalyptic number.

440012102 is a deficient number, since it is larger than the sum of its proper divisors (220006054).

440012102 is a wasteful number, since it uses less digits than its factorization.

440012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220006053.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 440012102 is about 20976.4654315259. The cubic root of 440012102 is about 760.5974653203.

Adding to 440012102 its reverse (201210044), we get a palindrome (641222146).

The spelling of 440012102 in words is "four hundred forty million, twelve thousand, one hundred two".