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4444441040 = 245139114691
BaseRepresentation
bin1000010001110100…
…01100100111010000
3102110201222222221102
410020322030213100
533100234103130
62013003443532
7215065061024
oct41072144720
912421888842
104444441040
111980853376
12a405265a8
1355aa23090
143023a6384
151b02b6645
hex108e8c9d0

4444441040 has 80 divisors (see below), whose sum is σ = 11142786816. Its totient is φ = 1638873600.

The previous prime is 4444441033. The next prime is 4444441093. The reversal of 4444441040 is 401444444.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4444440994 and 4444441012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945095 + ... + 949785.

Almost surely, 24444441040 is an apocalyptic number.

4444441040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4444441040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5571393408).

4444441040 is an abundant number, since it is smaller than the sum of its proper divisors (6698345776).

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

4444441040 is a wasteful number, since it uses less digits than its factorization.

4444441040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628 (or 5622 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 4444441040 is about 66666.6411333284. The cubic root of 4444441040 is about 1644.1409630828.

Adding to 4444441040 its reverse (401444444), we get a palindrome (4845885484).

The spelling of 4444441040 in words is "four billion, four hundred forty-four million, four hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 911 1040 1822 3644 4555 4691 7288 9110 9382 11843 14576 18220 18764 23455 23686 36440 37528 46910 47372 59215 60983 72880 75056 93820 94744 118430 121966 187640 189488 236860 243932 304915 375280 473720 487864 609830 947440 975728 1219660 2439320 4273501 4878640 8547002 17094004 21367505 34188008 42735010 55555513 68376016 85470020 111111026 170940040 222222052 277777565 341880080 444444104 555555130 888888208 1111110260 2222220520 4444441040