Search a number
-
+
4440400000220 = 225222020000011
BaseRepresentation
bin100000010011101110001…
…1101101111010011011100
3120201111110002222201120102
41000213130131233103130
51040222414400001340
613235520330240232
7635544152150252
oct100473435572334
916644402881512
104440400000220
1114621880480a8
125b86b4b86078
1326296032aa42
14114cb8c745d2
157a78954e215
hex409dc76f4dc

4440400000220 has 12 divisors (see below), whose sum is σ = 9324840000504. Its totient is φ = 1776160000080.

The previous prime is 4440400000219. The next prime is 4440400000273. The reversal of 4440400000220 is 220000040444.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 222020000011 = 4440400000220 / (4 + 4 + 4 + 0 + 4 + 0 + 0 + 0 + 0 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 4440400000192 and 4440400000201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111009999986 + ... + 111010000025.

It is an arithmetic number, because the mean of its divisors is an integer number (777070000042).

Almost surely, 24440400000220 is an apocalyptic number.

It is an amenable number.

4440400000220 is an abundant number, since it is smaller than the sum of its proper divisors (4884440000284).

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

4440400000220 is a wasteful number, since it uses less digits than its factorization.

4440400000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222020000020 (or 222020000018 counting only the distinct ones).

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

Adding to 4440400000220 its reverse (220000040444), we get a palindrome (4660400040664).

The spelling of 4440400000220 in words is "four trillion, four hundred forty billion, four hundred million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 222020000011 444040000022 888080000044 1110100000055 2220200000110 4440400000220