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2560433340 = 2235971632699
BaseRepresentation
bin1001100010011101…
…0001110010111100
320121102220111020110
42120213101302330
520220432331330
61102022550020
7120310216143
oct23047216274
96542814213
102560433340
1110a4330513
125b5598310
1331a5cb71a
141a40a275a
15eebb6db0
hex989d1cbc

2560433340 has 96 divisors (see below), whose sum is σ = 7290259200. Its totient is φ = 671348736.

The previous prime is 2560433297. The next prime is 2560433413. The reversal of 2560433340 is 433340652.

2560433340 is digitally balanced in base 2 and base 4, because in such bases 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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 2560433298 and 2560433307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947311 + ... + 950009.

It is an arithmetic number, because the mean of its divisors is an integer number (75940200).

Almost surely, 22560433340 is an apocalyptic number.

2560433340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2560433340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3645129600).

2560433340 is an abundant number, since it is smaller than the sum of its proper divisors (4729825860).

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

2560433340 is a wasteful number, since it uses less digits than its factorization.

2560433340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 2560433340 is about 50600.7246983677. The cubic root of 2560433340 is about 1368.0579405882.

Adding to 2560433340 its reverse (433340652), we get a palindrome (2993773992).

The spelling of 2560433340 in words is "two billion, five hundred sixty million, four hundred thirty-three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 163 194 291 326 388 485 489 582 652 815 970 978 1164 1455 1630 1940 1956 2445 2699 2910 3260 4890 5398 5820 8097 9780 10796 13495 15811 16194 26990 31622 32388 40485 47433 53980 63244 79055 80970 94866 158110 161940 189732 237165 261803 316220 439937 474330 523606 785409 879874 948660 1047212 1309015 1319811 1570818 1759748 2199685 2618030 2639622 3141636 3927045 4399370 5236060 5279244 6599055 7854090 8798740 13198110 15708180 26396220 42673889 85347778 128021667 170695556 213369445 256043334 426738890 512086668 640108335 853477780 1280216670 2560433340