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4401440320 = 26513754501
BaseRepresentation
bin1000001100101100…
…01010011001000000
3102100202002100001011
410012112022121000
533003232042240
62004430050304
7214033424344
oct40626123100
912322070034
104401440320
111959553292
12a2a049994
13551b48774
142da7b1624
151ab6206ea
hex10658a640

4401440320 has 28 divisors (see below), whose sum is σ = 10480930524. Its totient is φ = 1760576000.

The previous prime is 4401440291. The next prime is 4401440327. The reversal of 4401440320 is 230441044.

It can be written as a sum of positive squares in 2 ways, for example, as 2328641536 + 2072798784 = 48256^2 + 45528^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4401440291 and 4401440300.

It is not an unprimeable number, because it can be changed into a prime (4401440327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6876931 + ... + 6877570.

Almost surely, 24401440320 is an apocalyptic number.

4401440320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4401440320 is an abundant number, since it is smaller than the sum of its proper divisors (6079490204).

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

4401440320 is a wasteful number, since it uses less digits than its factorization.

4401440320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13754518 (or 13754508 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4401440320 is about 66343.3517392662. The cubic root of 4401440320 is about 1638.8213224241.

Adding to 4401440320 its reverse (230441044), we get a palindrome (4631881364).

The spelling of 4401440320 in words is "four billion, four hundred one million, four hundred forty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 13754501 27509002 55018004 68772505 110036008 137545010 220072016 275090020 440144032 550180040 880288064 1100360080 2200720160 4401440320