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4400224040 = 235110005601
BaseRepresentation
bin1000001100100011…
…00001011100101000
3102100122210112121202
410012101201130220
533002424132130
62004344023332
7214020200342
oct40621413450
912318715552
104400224040
1119588a24a3
12a29761b48
13551810c84
142da576292
151ab480145
hex106461728

4400224040 has 16 divisors (see below), whose sum is σ = 9900504180. Its totient is φ = 1760089600.

The previous prime is 4400224039. The next prime is 4400224063. The reversal of 4400224040 is 404220044.

It can be written as a sum of positive squares in 2 ways, for example, as 4399138276 + 1085764 = 66326^2 + 1042^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55002761 + ... + 55002840.

Almost surely, 24400224040 is an apocalyptic number.

4400224040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400224040 is an abundant number, since it is smaller than the sum of its proper divisors (5500280140).

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

4400224040 is a wasteful number, since it uses less digits than its factorization.

4400224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110005612 (or 110005608 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4400224040 is about 66334.1845506523. The cubic root of 4400224040 is about 1638.6703529622.

Adding to 4400224040 its reverse (404220044), we get a palindrome (4804444084).

The spelling of 4400224040 in words is "four billion, four hundred million, two hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 110005601 220011202 440022404 550028005 880044808 1100056010 2200112020 4400224040