Base | Representation |
---|---|
bin | 11010001110101… |
… | …000101000001000 |
3 | 1010200000112221102 |
4 | 122032220220020 |
5 | 1400122402130 |
6 | 111355400532 |
7 | 13622212142 |
oct | 3216505010 |
9 | 1120015842 |
10 | 440044040 |
11 | 206436667 |
12 | 103453148 |
13 | 702221b7 |
14 | 42629c92 |
15 | 28973645 |
hex | 1a3a8a08 |
440044040 has 32 divisors (see below), whose sum is σ = 994481280. Its totient is φ = 175238592.
The previous prime is 440044037. The next prime is 440044051. The reversal of 440044040 is 40440044.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 15152 + ... + 33311.
It is an arithmetic number, because the mean of its divisors is an integer number (31077540).
Almost surely, 2440044040 is an apocalyptic number.
440044040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
440044040 is an abundant number, since it is smaller than the sum of its proper divisors (554437240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
440044040 is a wasteful number, since it uses less digits than its factorization.
440044040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48701 (or 48697 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 20.
The square root of 440044040 is about 20977.2266994472. The cubic root of 440044040 is about 760.6158673703.
Adding to 440044040 its reverse (40440044), we get a palindrome (480484084).
The spelling of 440044040 in words is "four hundred forty million, forty-four thousand, forty".
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