440020430111 has 8 divisors (see below), whose sum is σ = 443438058624. Its totient is φ = 436603691160.

The previous prime is 440020430107. The next prime is 440020430131. The reversal of 440020430111 is 111034020044.

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 440020430111 - 2² = 440020430107 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 (440020430131) 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, 788516 + ... + 1225478.

It is an arithmetic number, because the mean of its divisors is an integer number (55429757328).

Almost surely, 2^440020430111 is an apocalyptic number.

440020430111 is a deficient number, since it is larger than the sum of its proper divisors (3417628513).

440020430111 is a wasteful number, since it uses less digits than its factorization.

440020430111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444781.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 440020430111 its reverse (111034020044), we get a palindrome (551054450155).

The spelling of 440020430111 in words is "four hundred forty billion, twenty million, four hundred thirty thousand, one hundred eleven".