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4125041440 = 255139532081
BaseRepresentation
bin1111010111011111…
…0010001100100000
3101122110222211001121
43311313302030200
531422002311230
61521153542024
7204136162612
oct36567621440
911573884047
104125041440
111827529763
12971574914
135097c2230
142b1bc2db2
1519222477a
hexf5df2320

4125041440 has 96 divisors (see below), whose sum is σ = 10511118576. Its totient is φ = 1520762880.

The previous prime is 4125041411. The next prime is 4125041507. The reversal of 4125041440 is 441405214.

It can be written as a sum of positive squares in 8 ways, for example, as 673713936 + 3451327504 = 25956^2 + 58748^2 .

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, 1981200 + ... + 1983280.

Almost surely, 24125041440 is an apocalyptic number.

4125041440 is a gapful number since it is divisible by the number (40) 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 4125041440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5255559288).

4125041440 is an abundant number, since it is smaller than the sum of its proper divisors (6386077136).

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

4125041440 is a wasteful number, since it uses less digits than its factorization.

4125041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062 (or 3054 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4125041440 is about 64226.4855024779. The cubic root of 4125041440 is about 1603.7725354940.

Adding to 4125041440 its reverse (441405214), we get a palindrome (4566446654).

The spelling of 4125041440 in words is "four billion, one hundred twenty-five million, forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 953 1040 1906 2080 2081 3812 4162 4765 7624 8324 9530 10405 12389 15248 16648 19060 20810 24778 27053 30496 33296 38120 41620 49556 54106 61945 66592 76240 83240 99112 108212 123890 135265 152480 166480 198224 216424 247780 270530 332960 396448 432848 495560 541060 865696 991120 1082120 1982240 1983193 2164240 3966386 4328480 7932772 9915965 15865544 19831930 25781509 31731088 39663860 51563018 63462176 79327720 103126036 128907545 158655440 206252072 257815090 317310880 412504144 515630180 825008288 1031260360 2062520720 4125041440