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4140420140 = 2253161831319
BaseRepresentation
bin1111011011001001…
…1100110000101100
3101200112221010200002
43312302130300230
531434421421030
61522503323432
7204413663513
oct36662346054
911615833602
104140420140
111835182a2a
12976750578
1350ca4805c
142b3c6767a
15193761245
hexf6c9cc2c

4140420140 has 96 divisors (see below), whose sum is σ = 9239408640. Its totient is φ = 1556294400.

The previous prime is 4140420133. The next prime is 4140420269. The reversal of 4140420140 is 410240414.

It is a happy number.

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

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 31 ways as a sum of consecutive naturals, for example, 3138401 + ... + 3139719.

It is an arithmetic number, because the mean of its divisors is an integer number (96243840).

Almost surely, 24140420140 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 4140420140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4619704320).

4140420140 is an abundant number, since it is smaller than the sum of its proper divisors (5098988500).

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

4140420140 is a wasteful number, since it uses less digits than its factorization.

4140420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4140420140 is about 64346.0965405051. The cubic root of 4140420140 is about 1605.7630892242.

Adding to 4140420140 its reverse (410240414), we get a palindrome (4550660554).

The spelling of 4140420140 in words is "four billion, one hundred forty million, four hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 61 62 83 122 124 155 166 244 305 310 332 415 610 620 830 1220 1319 1660 1891 2573 2638 3782 5063 5146 5276 6595 7564 9455 10126 10292 12865 13190 18910 20252 25315 25730 26380 37820 40889 50630 51460 80459 81778 101260 109477 156953 160918 163556 204445 218954 313906 321836 402295 408890 437908 547385 627812 784765 804590 817780 1094770 1569530 1609180 2189540 2494229 3139060 3393787 4988458 6678097 6787574 9976916 12471145 13356194 13575148 16968935 24942290 26712388 33390485 33937870 49884580 66780970 67875740 133561940 207021007 414042014 828084028 1035105035 2070210070 4140420140