Search a number
-
+
2440022420 = 2251111091011
BaseRepresentation
bin1001000101101111…
…1100100110010100
320022001022222111202
42101123330212110
514444121204140
61042042052032
7114315563663
oct22133744624
96261288452
102440022420
111042368a60
125811aa018
132cb68c764
141920badda
15e432e915
hex916fc994

2440022420 has 24 divisors (see below), whose sum is σ = 5589870048. Its totient is φ = 887280800.

The previous prime is 2440022419. The next prime is 2440022477. The reversal of 2440022420 is 242200442.

2440022420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2440022392 and 2440022401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5545286 + ... + 5545725.

It is an arithmetic number, because the mean of its divisors is an integer number (232911252).

Almost surely, 22440022420 is an apocalyptic number.

2440022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440022420 is an abundant number, since it is smaller than the sum of its proper divisors (3149847628).

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

2440022420 is a wasteful number, since it uses less digits than its factorization.

2440022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091031 (or 11091029 counting only the distinct ones).

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

The square root of 2440022420 is about 49396.5830802091. The cubic root of 2440022420 is about 1346.2672228310.

Adding to 2440022420 its reverse (242200442), we get a palindrome (2682222862).

It can be divided in two parts, 2440022 and 420, that added together give a palindrome (2440442).

The spelling of 2440022420 in words is "two billion, four hundred forty million, twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11091011 22182022 44364044 55455055 110910110 122001121 221820220 244002242 488004484 610005605 1220011210 2440022420