| Base | Representation |
|---|---|
| bin | 11010011101101… |
| … | …110011100000000 |
| 3 | 1010221110112111110 |
| 4 | 122131232130000 |
| 5 | 1402131000000 |
| 6 | 112020243320 |
| 7 | 14000636433 |
| oct | 3235563400 |
| 9 | 1127415443 |
| 10 | 444000000 |
| 11 | 208698854 |
| 12 | 104840540 |
| 13 | 70ca89c2 |
| 14 | 42d7981a |
| 15 | 28ea5850 |
| hex | 1a76e700 |
444000000 has 252 divisors, whose sum is σ = 1517011832. Its totient is φ = 115200000.
The previous prime is 443999993. The next prime is 444000041. The reversal of 444000000 is 444.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 444000000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11999982 + ... + 12000018.
Almost surely, 2444000000 is an apocalyptic number.
444000000 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 444000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758505916).
444000000 is an abundant number, since it is smaller than the sum of its proper divisors (1073011832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
444000000 is an frugal number, since it uses more digits than its factorization.
444000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86 (or 47 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 444000000 is about 21071.3075057055. The cubic root of 444000000 is about 762.8883625853. Note that the first 3 decimals are identical.
Adding to 444000000 its reverse (444), we get a palindrome (444000444).
Multiplying 444000000 by its reverse (444), we get a square (197136000000 = 4440002).
444000000 divided by its reverse (444) gives a 6-th power (1000000 = 106).
The spelling of 444000000 in words is "four hundred forty-four million", and thus it is an aban number.
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