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44440340401 = 1574096131129
BaseRepresentation
bin101001011000110110…
…011100011110110001
311020201010100012102101
4221120312130132301
51212003211343101
632225434420401
73132162442432
oct513066343661
9136633305371
1044440340401
1117935460556
128742b91701
134262c9b012
1422181c7489
15125173d401
hexa58d9c7b1

44440340401 has 16 divisors (see below), whose sum is σ = 44945659600. Its totient is φ = 43938505728.

The previous prime is 44440340393. The next prime is 44440340419. The reversal of 44440340401 is 10404304444.

It can be written as a sum of positive squares in 8 ways, for example, as 9180514225 + 35259826176 = 95815^2 + 187776^2 .

It is a cyclic number.

It is not a de Polignac number, because 44440340401 - 23 = 44440340393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44440340401.

It is not an unprimeable number, because it can be changed into a prime (44440340201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39362005 + ... + 39363133.

It is an arithmetic number, because the mean of its divisors is an integer number (2809103725).

Almost surely, 244440340401 is an apocalyptic number.

It is an amenable number.

44440340401 is a deficient number, since it is larger than the sum of its proper divisors (505319199).

44440340401 is a wasteful number, since it uses less digits than its factorization.

44440340401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 44440340401 its reverse (10404304444), we get a palindrome (54844644845).

The spelling of 44440340401 in words is "forty-four billion, four hundred forty million, three hundred forty thousand, four hundred one".

Divisors: 1 157 409 613 1129 64213 96241 177253 250717 461761 692077 39362569 72496477 108656089 283059493 44440340401