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440444041 = 1737700229
BaseRepresentation
bin11010010000001…
…010010010001001
31010200202212122021
4122100022102021
51400223202131
6111412124441
713625466262
oct3220122211
91120685567
10440444041
1120668a144
12103606721
137033229b
14426d1969
1528a01e11
hex1a40a489

440444041 has 8 divisors (see below), whose sum is σ = 478957320. Its totient is φ = 403331328.

The previous prime is 440444021. The next prime is 440444047. The reversal of 440444041 is 140444044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93702400 + 346741641 = 9680^2 + 18621^2 .

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 440444041 - 211 = 440441993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440443997 and 440444015.

It is not an unprimeable number, because it can be changed into a prime (440444047) 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, 349486 + ... + 350743.

It is an arithmetic number, because the mean of its divisors is an integer number (59869665).

Almost surely, 2440444041 is an apocalyptic number.

It is an amenable number.

440444041 is a deficient number, since it is larger than the sum of its proper divisors (38513279).

440444041 is a wasteful number, since it uses less digits than its factorization.

440444041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700283.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 440444041 is about 20986.7587063844. The cubic root of 440444041 is about 760.8462647391.

Adding to 440444041 its reverse (140444044), we get a palindrome (580888085).

The spelling of 440444041 in words is "four hundred forty million, four hundred forty-four thousand, forty-one".

Divisors: 1 17 37 629 700229 11903893 25908473 440444041