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4400800000 = 28555501
BaseRepresentation
bin1000001100100111…
…01110000100000000
3102100200212210200121
410012103232010000
533003101100000
62004404230024
7214025116462
oct40623560400
912320783617
104400800000
1119591561a3
12a2999b314
1355198318c
142da686132
151ab545b1a
hex1064ee100

4400800000 has 108 divisors (see below), whose sum is σ = 10981804932. Its totient is φ = 1760000000.

The previous prime is 4400799989. The next prime is 4400800003. The reversal of 4400800000 is 80044.

It can be written as a sum of positive squares in 6 ways, for example, as 2330185984 + 2070614016 = 48272^2 + 45504^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (4400800003) 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 11 ways as a sum of consecutive naturals, for example, 797250 + ... + 802750.

It is an arithmetic number, because the mean of its divisors is an integer number (101683379).

Almost surely, 24400800000 is an apocalyptic number.

4400800000 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 4400800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5490902466).

4400800000 is an abundant number, since it is smaller than the sum of its proper divisors (6581004932).

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

4400800000 is an frugal number, since it uses more digits than its factorization.

4400800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542 (or 5508 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4400800000 is about 66338.5257599232. The cubic root of 4400800000 is about 1638.7418468522.

Adding to 4400800000 its reverse (80044), we get a palindrome (4400880044).

The spelling of 4400800000 in words is "four billion, four hundred million, eight hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3125 3200 4000 5000 5501 6250 6400 8000 10000 11002 12500 16000 20000 22004 25000 27505 32000 40000 44008 50000 55010 80000 88016 100000 110020 137525 160000 176032 200000 220040 275050 352064 400000 440080 550100 687625 704128 800000 880160 1100200 1375250 1408256 1760320 2200400 2750500 3438125 3520640 4400800 5501000 6876250 7041280 8801600 11002000 13752500 17190625 17603200 22004000 27505000 34381250 35206400 44008000 55010000 68762500 88016000 110020000 137525000 176032000 220040000 275050000 440080000 550100000 880160000 1100200000 2200400000 4400800000