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2440328856 = 2337413471021
BaseRepresentation
bin1001000101110100…
…0111011010011000
320022001220112212020
42101131013122120
514444211010411
61042052414440
7114321311250
oct22135073230
96261815766
102440328856
111042558209
12581317420
132cb769094
1419215a960
15e4390606
hex91747698

2440328856 has 128 divisors (see below), whose sum is σ = 7170024960. Its totient is φ = 677606400.

The previous prime is 2440328843. The next prime is 2440328857. The reversal of 2440328856 is 6588230442.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440328857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2389626 + ... + 2390646.

It is an arithmetic number, because the mean of its divisors is an integer number (56015820).

Almost surely, 22440328856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440328856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3585012480).

2440328856 is an abundant number, since it is smaller than the sum of its proper divisors (4729696104).

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

2440328856 is a wasteful number, since it uses less digits than its factorization.

2440328856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 2440328856 is about 49399.6847763222. The cubic root of 2440328856 is about 1346.3235785254.

The spelling of 2440328856 in words is "two billion, four hundred forty million, three hundred twenty-eight thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 41 42 56 82 84 123 164 168 246 287 328 347 492 574 694 861 984 1021 1041 1148 1388 1722 2042 2082 2296 2429 2776 3063 3444 4084 4164 4858 6126 6888 7147 7287 8168 8328 9716 12252 14227 14294 14574 19432 21441 24504 28454 28588 29148 41861 42681 42882 56908 57176 58296 83722 85362 85764 99589 113816 125583 167444 170724 171528 199178 251166 293027 298767 334888 341448 354287 398356 502332 586054 597534 708574 796712 879081 1004664 1062861 1172108 1195068 1417148 1758162 2125722 2344216 2390136 2480009 2834296 3516324 4251444 4960018 7032648 7440027 8502888 9920036 14525767 14880054 19840072 29051534 29760108 43577301 58103068 59520216 87154602 101680369 116206136 174309204 203360738 305041107 348618408 406721476 610082214 813442952 1220164428 2440328856