Search a number
-
+
4440144367940 = 2251713059248141
BaseRepresentation
bin100000010011100110100…
…1110100101000101000100
3120201110210021222021000012
41000213031032211011010
51040221403424233230
613235435115205352
7635534626256531
oct100471516450504
916643707867005
104440144367940
111462066817856
125b8643446858
1326291c395838
14114c92d2dd88
157a771da6395
hex409cd3a5144

4440144367940 has 24 divisors (see below), whose sum is σ = 9872791595352. Its totient is φ = 1671583761920.

The previous prime is 4440144367931. The next prime is 4440144367963. The reversal of 4440144367940 is 497634410444.

It can be written as a sum of positive squares in 4 ways, for example, as 2061337861696 + 2378806506244 = 1435736^2 + 1542338^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6529623731 + ... + 6529624410.

It is an arithmetic number, because the mean of its divisors is an integer number (411366316473).

Almost surely, 24440144367940 is an apocalyptic number.

It is an amenable number.

4440144367940 is an abundant number, since it is smaller than the sum of its proper divisors (5432647227412).

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

4440144367940 is a wasteful number, since it uses less digits than its factorization.

4440144367940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13059248167 (or 13059248165 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 50.

It can be divided in two parts, 4440144 and 367940, that added together give a palindrome (4808084).

The spelling of 4440144367940 in words is "four trillion, four hundred forty billion, one hundred forty-four million, three hundred sixty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 13059248141 26118496282 52236992564 65296240705 130592481410 222007218397 261184962820 444014436794 888028873588 1110036091985 2220072183970 4440144367940