440212101 has 8 divisors (see below), whose sum is σ = 670799424. Its totient is φ = 251549760.

The previous prime is 440212081. The next prime is 440212147. The reversal of 440212101 is 101212044.

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

It is not a de Polignac number, because 440212101 - 2⁶ = 440212037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440212151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10481220 + ... + 10481261.

It is an arithmetic number, because the mean of its divisors is an integer number (83849928).

Almost surely, 2^440212101 is an apocalyptic number.

It is an amenable number.

440212101 is a deficient number, since it is larger than the sum of its proper divisors (230587323).

440212101 is a wasteful number, since it uses less digits than its factorization.

440212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962491.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 440212101 is about 20981.2321134866. The cubic root of 440212101 is about 760.7126861593.

Adding to 440212101 its reverse (101212044), we get a palindrome (541424145).

The spelling of 440212101 in words is "four hundred forty million, two hundred twelve thousand, one hundred one".