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44120403444 = 22313226382721
BaseRepresentation
bin101001000101110001…
…111110110111110100
311012212211022201102110
4221011301332313310
51210324310402234
632134005211020
73121226145555
oct510561766764
9135784281373
1044120403444
11177908aa147
128673a00a70
13421190c700
1421c790432c
1512335e21e9
hexa45c7edf4

44120403444 has 72 divisors (see below), whose sum is σ = 111901027392. Its totient is φ = 13523727360.

The previous prime is 44120403427. The next prime is 44120403473. The reversal of 44120403444 is 44430402144.

It is a super-2 number, since 2×441204034442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492004 + ... + 574724.

It is an arithmetic number, because the mean of its divisors is an integer number (1554180936).

Almost surely, 244120403444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44120403444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55950513696).

44120403444 is an abundant number, since it is smaller than the sum of its proper divisors (67780623948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44120403444 is a wasteful number, since it uses less digits than its factorization.

44120403444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83017 (or 83002 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 44120403444 its reverse (44430402144), we get a palindrome (88550805588).

The spelling of 44120403444 in words is "forty-four billion, one hundred twenty million, four hundred three thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 263 338 507 526 676 789 1014 1052 1578 2028 3156 3419 6838 10257 13676 20514 41028 44447 82721 88894 133341 165442 177788 248163 266682 330884 496326 533364 992652 1075373 2150746 3226119 4301492 6452238 12904476 13979849 21755623 27959698 41939547 43511246 55919396 65266869 83879094 87022492 130533738 167758188 261067476 282823099 565646198 848469297 1131292396 1696938594 3393877188 3676700287 7353400574 11030100861 14706801148 22060201722 44120403444