Search a number
-
+
40234301320 = 2356716789897
BaseRepresentation
bin100101011110001001…
…101011011110001000
310211211222221021111011
4211132021223132020
51124344440120240
630252224413304
72623020630013
oct453611533610
9124758837434
1040234301320
111607723a0a4
12796a477234
133a427895b5
141d3975c37a
1510a73696ea
hex95e26b788

40234301320 has 64 divisors (see below), whose sum is σ = 92429527680. Its totient is φ = 15758409216.

The previous prime is 40234301311. The next prime is 40234301339. The reversal of 40234301320 is 2310343204.

It is a happy number.

40234301320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40234301291 and 40234301300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402612 + ... + 492508.

It is an arithmetic number, because the mean of its divisors is an integer number (1444211370).

Almost surely, 240234301320 is an apocalyptic number.

40234301320 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 40234301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46214763840).

40234301320 is an abundant number, since it is smaller than the sum of its proper divisors (52195226360).

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

40234301320 is a wasteful number, since it uses less digits than its factorization.

40234301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90142 (or 90138 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 40234301320 its reverse (2310343204), we get a palindrome (42544644524).

The spelling of 40234301320 in words is "forty billion, two hundred thirty-four million, three hundred one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 134 167 268 334 335 536 668 670 835 1336 1340 1670 2680 3340 6680 11189 22378 44756 55945 89512 89897 111890 179794 223780 359588 447560 449485 719176 898970 1797940 3595880 6023099 12046198 15012799 24092396 30025598 30115495 48184792 60051196 60230990 75063995 120102392 120461980 150127990 240923960 300255980 600511960 1005857533 2011715066 4023430132 5029287665 8046860264 10058575330 20117150660 40234301320