440020101 has 8 divisors (see below), whose sum is σ = 593762400. Its totient is φ = 289812272.

The previous prime is 440020081. The next prime is 440020109. The reversal of 440020101 is 101020044.

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

It is a cyclic number.

It is not a de Polignac number, because 440020101 - 2¹⁰ = 440019077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440020109) 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 7 ways as a sum of consecutive naturals, for example, 883326 + ... + 883823.

It is an arithmetic number, because the mean of its divisors is an integer number (74220300).

Almost surely, 2^440020101 is an apocalyptic number.

It is an amenable number.

440020101 is a deficient number, since it is larger than the sum of its proper divisors (153742299).

440020101 is a wasteful number, since it uses less digits than its factorization.

440020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767235.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 440020101 is about 20976.6560967186. The cubic root of 440020101 is about 760.6020742710.

Adding to 440020101 its reverse (101020044), we get a palindrome (541040145).

The spelling of 440020101 in words is "four hundred forty million, twenty thousand, one hundred one".