440244101 has 12 divisors (see below), whose sum is σ = 495712812. Its totient is φ = 390456000.

The previous prime is 440244071. The next prime is 440244109. The reversal of 440244101 is 101442044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52548001 + 387696100 = 7249^2 + 19690^2 .

It is not a de Polignac number, because 440244101 - 2⁶ = 440244037 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 (440244109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39410 + ... + 49331.

It is an arithmetic number, because the mean of its divisors is an integer number (41309401).

Almost surely, 2^440244101 is an apocalyptic number.

440244101 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

440244101 is a deficient number, since it is larger than the sum of its proper divisors (55468711).

440244101 is a wasteful number, since it uses less digits than its factorization.

440244101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88804 (or 88793 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 440244101 is about 20981.9946859206. The cubic root of 440244101 is about 760.7311183469.

Adding to 440244101 its reverse (101442044), we get a palindrome (541686145).

The spelling of 440244101 in words is "four hundred forty million, two hundred forty-four thousand, one hundred one".