440212103 has 4 divisors (see below), whose sum is σ = 441627888. Its totient is φ = 438796320.

The previous prime is 440212081. The next prime is 440212147. The reversal of 440212103 is 301212044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440212103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440212193) 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, 707426 + ... + 708047.

It is an arithmetic number, because the mean of its divisors is an integer number (110406972).

Almost surely, 2^440212103 is an apocalyptic number.

440212103 is a deficient number, since it is larger than the sum of its proper divisors (1415785).

440212103 is a wasteful number, since it uses less digits than its factorization.

440212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415784.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 440212103 is about 20981.2321611482. The cubic root of 440212103 is about 760.7126873113.

Adding to 440212103 its reverse (301212044), we get a palindrome (741424147).

The spelling of 440212103 in words is "four hundred forty million, two hundred twelve thousand, one hundred three".