440044044101 has 4 divisors (see below), whose sum is σ = 451937126412. Its totient is φ = 428150961792.

The previous prime is 440044044071. The next prime is 440044044157. The reversal of 440044044101 is 101440440044.

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

It can be written as a sum of positive squares in 2 ways, for example, as 258065016001 + 181979028100 = 508001^2 + 426590^2 .

It is a de Polignac number, because none of the positive numbers 2^k-440044044101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440044044191) 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, 5946541100 + ... + 5946541173.

It is an arithmetic number, because the mean of its divisors is an integer number (112984281603).

Almost surely, 2^440044044101 is an apocalyptic number.

It is an amenable number.

440044044101 is a deficient number, since it is larger than the sum of its proper divisors (11893082311).

440044044101 is a wasteful number, since it uses less digits than its factorization.

440044044101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11893082310.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 440044044101 its reverse (101440440044), we get a palindrome (541484484145).

The spelling of 440044044101 in words is "four hundred forty billion, forty-four million, forty-four thousand, one hundred one".