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440130020 = 225115337747
BaseRepresentation
bin11010001110111…
…101100111100100
31010200011220212212
4122032331213210
51400133130040
6111401302552
713623020621
oct3216754744
91120156785
10440130020
11206495220
12103494a58
1370252385
144264d348
152898dd65
hex1a3bd9e4

440130020 has 48 divisors (see below), whose sum is σ = 1027349568. Its totient is φ = 157023360.

The previous prime is 440130011. The next prime is 440130077. The reversal of 440130020 is 20031044.

It is a junction number, because it is equal to n+sod(n) for n = 440129977 and 440130004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7214 + ... + 30533.

It is an arithmetic number, because the mean of its divisors is an integer number (21403116).

Almost surely, 2440130020 is an apocalyptic number.

It is an amenable number.

440130020 is an abundant number, since it is smaller than the sum of its proper divisors (587219548).

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

440130020 is a wasteful number, since it uses less digits than its factorization.

440130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37820 (or 37818 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 440130020 is about 20979.2759646276. The cubic root of 440130020 is about 760.6654029375.

Adding to 440130020 its reverse (20031044), we get a palindrome (460161064).

The spelling of 440130020 in words is "four hundred forty million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 53 55 106 110 212 220 265 530 583 1060 1166 2332 2915 5830 11660 37747 75494 150988 188735 377470 415217 754940 830434 1660868 2000591 2076085 4001182 4152170 8002364 8304340 10002955 20005910 22006501 40011820 44013002 88026004 110032505 220065010 440130020